{"id":1504,"date":"2025-07-24T06:10:48","date_gmt":"2025-07-24T06:10:48","guid":{"rendered":"https:\/\/cryptonews.com\/cz\/?page_id=1504\/"},"modified":"2025-07-24T06:10:48","modified_gmt":"2025-07-24T06:10:48","slug":"jak-se-tezi-bitcoin","status":"publish","type":"page","link":"https:\/\/cryptonews.com\/cz\/kryptomeny\/jak-se-tezi-bitcoin\/","title":{"rendered":"Jak se t\u011b\u017e\u00ed bitcoin? Jak funguje t\u011b\u017eba bitcoinu v roce 2026"},"content":{"rendered":"<p data-start=\"113\" data-end=\"408\"><strong data-start=\"113\" data-end=\"131\">T\u011b\u017eba bitcoinu<\/strong> je proces, bez kter\u00e9ho by samotn\u00e1 <strong data-start=\"166\" data-end=\"201\">bitcoinov\u00e1 s\u00ed\u0165 nemohla fungovat<\/strong>. Nejde p\u0159itom jen o vytv\u00e1\u0159en\u00ed nov\u00fdch minc\u00ed \u2013 t\u011b\u017eba zaji\u0161\u0165uje bezpe\u010dnost, ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed a decentralizovan\u00fd provoz s\u00edt\u011b. I proto b\u00fdv\u00e1 ozna\u010dov\u00e1na za jeden z kl\u00ed\u010dov\u00fdch pil\u00ed\u0159\u016f cel\u00e9ho bitcoinov\u00e9ho ekosyst\u00e9mu.<\/p><p data-start=\"410\" data-end=\"614\">Mo\u017en\u00e1 si ale kladete ot\u00e1zky: <strong data-start=\"439\" data-end=\"581\">Jak se t\u011b\u017e\u00ed bitcoin? Jak t\u011b\u017eba bitcoinu funguje v praxi? Je t\u011b\u017eba bitcoinu ziskov\u00e1? D\u00e1 se t\u011b\u017eit bitcoin na mobilu nebo na b\u011b\u017en\u00e9m po\u010d\u00edta\u010di?<\/strong> A co je k tomu vlastn\u011b pot\u0159eba?<\/p><p data-start=\"616\" data-end=\"887\">V tomto \u010dl\u00e1nku se pod\u00edv\u00e1me na to, <strong data-start=\"650\" data-end=\"671\">jak t\u011b\u017eit bitcoin<\/strong>, co k tomu pot\u0159ebujete, jak se fenom\u00e9n t\u011b\u017eby vyv\u00edjel v \u010dase a jak\u00e9 mo\u017enosti m\u00e1 b\u011b\u017en\u00fd u\u017eivatel dnes. A\u0165 u\u017e v\u00e1s zaj\u00edm\u00e1 <strong data-start=\"775\" data-end=\"815\">jak t\u011b\u017eba bitcoinu funguje technicky<\/strong> nebo hled\u00e1te praktick\u00e9 tipy pro vlastn\u00ed t\u011b\u017ebu, jste na spr\u00e1vn\u00e9m m\u00edst\u011b.<\/p><p data-start=\"616\" data-end=\"887\"><\/p><div>\n    <section class=\"toc-sticky w-100 bg-white \">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\" aria-controls=\"multiCollapse1\" data-bs-target=\"#multiCollapse1\">\n                <button class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\" type=\"button\">\n                    <i class=\"icon-chevron-up\"><\/i>\n                <\/button>\n                <span class=\"toc-main-title-permanent\">Table of Contents<\/span>\n            <\/div>\n            <div class=\"collapse  show my-3\" id=\"multiCollapse1\">\n                <ol class=\"StepProgress\">\n                    <li class=\"StepProgress-item current\">V tomto \u010dl\u00e1nku<\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-jak-funguje-tezba-bitcoinu-zakladni-principy\" class=\"StepProgress-item__link\" data-level=\"2\">Jak funguje t\u011b\u017eba bitcoinu? Z\u00e1kladn\u00ed principy<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-jak-funguje-tezba-bitcoinu-zakladni-principy\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-co-presne-znamena-tezit-bitcoin\" class=\"StepProgress-item__link\" data-level=\"3\">Co p\u0159esn\u011b znamen\u00e1 \u201et\u011b\u017eit bitcoin\u201c?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-proof-of-work-vypocetni-zavod-o-novy-blok\" class=\"StepProgress-item__link\" data-level=\"3\">Proof-of-Work: V\u00fdpo\u010detn\u00ed z\u00e1vod o nov\u00fd blok<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-vyznam-vypocetniho-vykonu\" class=\"StepProgress-item__link\" data-level=\"3\">V\u00fdznam v\u00fdpo\u010detn\u00edho v\u00fdkonu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-1-vykonny-hardware-asic-minery\" class=\"StepProgress-item__link\" data-level=\"3\">1. V\u00fdkonn\u00fd hardware: ASIC minery<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-2-pristup-k-levne-a-stabilni-elektrine\" class=\"StepProgress-item__link\" data-level=\"3\">2. P\u0159\u00edstup k levn\u00e9 a stabiln\u00ed elekt\u0159in\u011b<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-3-tezebni-software\" class=\"StepProgress-item__link\" data-level=\"3\">3. T\u011b\u017eebn\u00ed software<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-proc-uz-nestaci-bezny-pocitac\" class=\"StepProgress-item__link\" data-level=\"3\">Pro\u010d u\u017e nesta\u010d\u00ed b\u011b\u017en\u00fd po\u010d\u00edta\u010d?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-jak-tezit-bitcoin-prakticky-navod-pro-zacatecniky\" class=\"StepProgress-item__link\" data-level=\"2\">Jak t\u011b\u017eit bitcoin: Praktick\u00fd n\u00e1vod pro za\u010d\u00e1te\u010dn\u00edky<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-jak-tezit-bitcoin-prakticky-navod-pro-zacatecniky\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-1-vyber-hardwaru-pro-tezbu-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">1. V\u00fdb\u011br hardwaru pro t\u011b\u017ebu bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-2-pripojeni-k-tezebnimu-poolu\" class=\"StepProgress-item__link\" data-level=\"3\">2. P\u0159ipojen\u00ed k t\u011b\u017eebn\u00edmu poolu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-3-nastaveni-softwaru\" class=\"StepProgress-item__link\" data-level=\"3\">3. Nastaven\u00ed softwaru<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-4-spusteni-tezby-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">4. Spu\u0161t\u011bn\u00ed t\u011b\u017eby bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-vyber-hardware-a-nastaveni-pro-tezbu\" class=\"StepProgress-item__link\" data-level=\"3\">V\u00fdb\u011br hardware a nastaven\u00ed pro t\u011b\u017ebu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-je-mozne-tezit-bitcoin-zdarma\" class=\"StepProgress-item__link\" data-level=\"2\">Je mo\u017en\u00e9 t\u011b\u017eit bitcoin zdarma?<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-je-mozne-tezit-bitcoin-zdarma\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-proc-tezba-neco-stoji\" class=\"StepProgress-item__link\" data-level=\"3\">Pro\u010d t\u011b\u017eba n\u011bco stoj\u00ed?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-dalo-se-nekdy-tezit-zdarma\" class=\"StepProgress-item__link\" data-level=\"3\">Dalo se n\u011bkdy t\u011b\u017eit zdarma?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-co-znamena-zdarma-dnes\" class=\"StepProgress-item__link\" data-level=\"3\">Co znamen\u00e1 \u201ezdarma\u201c dnes?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-tezba-bitcoinu-a-navratnost-v-roce-2025\" class=\"StepProgress-item__link\" data-level=\"2\">T\u011b\u017eba bitcoinu a n\u00e1vratnost v roce 2025<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-tezba-bitcoinu-a-navratnost-v-roce-2025\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-navratnost-jen-pri-idealnich-podminkach\" class=\"StepProgress-item__link\" data-level=\"3\">N\u00e1vratnost? Jen p\u0159i ide\u00e1ln\u00edch podm\u00ednk\u00e1ch<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-prumyslove-farmy-jina-liga\" class=\"StepProgress-item__link\" data-level=\"3\">Pr\u016fmyslov\u00e9 farmy: jin\u00e1 liga<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-jak-vypocitat-ziskovost-tezby-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"2\">Jak vypo\u010d\u00edtat ziskovost t\u011b\u017eby bitcoinu?<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-jak-vypocitat-ziskovost-tezby-bitcoinu\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-priklad-vypoctu\" class=\"StepProgress-item__link\" data-level=\"3\">P\u0159\u00edklad v\u00fdpo\u010dtu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-dulezite-upozorneni\" class=\"StepProgress-item__link\" data-level=\"3\">D\u016fle\u017eit\u00e9 upozorn\u011bn\u00ed<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-faktory-ovlivnujici-ziskovost-tezby\" class=\"StepProgress-item__link\" data-level=\"3\">Faktory ovliv\u0148uj\u00edc\u00ed ziskovost t\u011b\u017eby<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-rizika-a-vyzvy-spojene-s-tezbou-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"2\">Rizika a v\u00fdzvy spojen\u00e9 s t\u011b\u017ebou bitcoinu<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-rizika-a-vyzvy-spojene-s-tezbou-bitcoinu\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-ekologicke-dopady-tezby-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">Ekologick\u00e9 dopady t\u011b\u017eby bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item subList-in-progress\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-budoucnost-tezby-bitcoinu-co-prinese-rok-2025-a-dale\" class=\"StepProgress-item__link\" data-level=\"2\">Budoucnost t\u011b\u017eby bitcoinu: Co p\u0159inese rok 2025 a d\u00e1le?<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-h-budoucnost-tezby-bitcoinu-co-prinese-rok-2025-a-dale\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-dopad-halvingu-na-tezbu-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">Dopad halvingu na t\u011b\u017ebu bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                    <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-zaver-je-tezba-bitcoinu-pro-vas-tou-pravou-cestou\" class=\"StepProgress-item__link\" data-level=\"2\">Z\u00e1v\u011br: Je t\u011b\u017eba bitcoinu pro v\u00e1s tou pravou cestou?<\/a>\n                                                    <\/div>\n                                                \n                                                                    <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-faq\" class=\"StepProgress-item__link\" data-level=\"2\">FAQ<\/a>\n                                                    <\/div>\n                                                \n                                                                    <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-reference\" class=\"StepProgress-item__link\" data-level=\"2\">Reference<\/a>\n                                                    <\/div>\n                                                \n                                    <\/ol>\n                <div class=\"toc-sticky__container__disperse\"><\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n    <div class=\"toc-sticky-list\">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\" aria-controls=\"multiCollapse2\" data-bs-target=\"#multiCollapse2\">\n                <button class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\" type=\"button\">\n                    <i class=\"icon-chevron-up up\"><\/i>\n                <\/button>\n            <\/div>\n            <div class=\"collapse show my-3\" id=\"multiCollapse2\">\n                <ol class=\"StepProgress\">\n                    <li class=\"StepProgress-item current\">V tomto \u010dl\u00e1nku<\/li>\n\n                                                                                                                    <li class=\"StepProgress-item subList-in-progress \">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-jak-funguje-tezba-bitcoinu-zakladni-principy\" class=\"StepProgress-item__link\" data-level=\"2\">Jak funguje t\u011b\u017eba bitcoinu? Z\u00e1kladn\u00ed principy<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-jak-funguje-tezba-bitcoinu-zakladni-principy\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-co-presne-znamena-tezit-bitcoin\" class=\"StepProgress-item__link\" data-level=\"3\">Co p\u0159esn\u011b znamen\u00e1 \u201et\u011b\u017eit bitcoin\u201c?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-proof-of-work-vypocetni-zavod-o-novy-blok\" class=\"StepProgress-item__link\" data-level=\"3\">Proof-of-Work: V\u00fdpo\u010detn\u00ed z\u00e1vod o nov\u00fd blok<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-vyznam-vypocetniho-vykonu\" class=\"StepProgress-item__link\" data-level=\"3\">V\u00fdznam v\u00fdpo\u010detn\u00edho v\u00fdkonu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-1-vykonny-hardware-asic-minery\" class=\"StepProgress-item__link\" data-level=\"3\">1. V\u00fdkonn\u00fd hardware: ASIC minery<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-2-pristup-k-levne-a-stabilni-elektrine\" class=\"StepProgress-item__link\" data-level=\"3\">2. P\u0159\u00edstup k levn\u00e9 a stabiln\u00ed elekt\u0159in\u011b<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-3-tezebni-software\" class=\"StepProgress-item__link\" data-level=\"3\">3. T\u011b\u017eebn\u00ed software<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-proc-uz-nestaci-bezny-pocitac\" class=\"StepProgress-item__link\" data-level=\"3\">Pro\u010d u\u017e nesta\u010d\u00ed b\u011b\u017en\u00fd po\u010d\u00edta\u010d?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                                                                    <li class=\"StepProgress-item subList-in-progress \">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-jak-tezit-bitcoin-prakticky-navod-pro-zacatecniky\" class=\"StepProgress-item__link\" data-level=\"2\">Jak t\u011b\u017eit bitcoin: Praktick\u00fd n\u00e1vod pro za\u010d\u00e1te\u010dn\u00edky<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-jak-tezit-bitcoin-prakticky-navod-pro-zacatecniky\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-1-vyber-hardwaru-pro-tezbu-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">1. V\u00fdb\u011br hardwaru pro t\u011b\u017ebu bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-2-pripojeni-k-tezebnimu-poolu\" class=\"StepProgress-item__link\" data-level=\"3\">2. P\u0159ipojen\u00ed k t\u011b\u017eebn\u00edmu poolu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-3-nastaveni-softwaru\" class=\"StepProgress-item__link\" data-level=\"3\">3. Nastaven\u00ed softwaru<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-4-spusteni-tezby-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">4. Spu\u0161t\u011bn\u00ed t\u011b\u017eby bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-vyber-hardware-a-nastaveni-pro-tezbu\" class=\"StepProgress-item__link\" data-level=\"3\">V\u00fdb\u011br hardware a nastaven\u00ed pro t\u011b\u017ebu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                                                                    <li class=\"StepProgress-item subList-in-progress \">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-je-mozne-tezit-bitcoin-zdarma\" class=\"StepProgress-item__link\" data-level=\"2\">Je mo\u017en\u00e9 t\u011b\u017eit bitcoin zdarma?<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-je-mozne-tezit-bitcoin-zdarma\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-proc-tezba-neco-stoji\" class=\"StepProgress-item__link\" data-level=\"3\">Pro\u010d t\u011b\u017eba n\u011bco stoj\u00ed?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-dalo-se-nekdy-tezit-zdarma\" class=\"StepProgress-item__link\" data-level=\"3\">Dalo se n\u011bkdy t\u011b\u017eit zdarma?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-co-znamena-zdarma-dnes\" class=\"StepProgress-item__link\" data-level=\"3\">Co znamen\u00e1 \u201ezdarma\u201c dnes?<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <span class=\"show_moretoc\" data-show-text=\"Zobrazit \u00fapln\u00fd pr\u016fvodce\" data-hide-text=\"Skr\u00fdt \u00fapln\u00fd pr\u016fvodce\">Zobrazit \u00fapln\u00fd pr\u016fvodce<\/span>\n                                                                                                                                                    <li class=\"StepProgress-item subList-in-progress ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-tezba-bitcoinu-a-navratnost-v-roce-2025\" class=\"StepProgress-item__link\" data-level=\"2\">T\u011b\u017eba bitcoinu a n\u00e1vratnost v roce 2025<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-tezba-bitcoinu-a-navratnost-v-roce-2025\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-navratnost-jen-pri-idealnich-podminkach\" class=\"StepProgress-item__link\" data-level=\"3\">N\u00e1vratnost? Jen p\u0159i ide\u00e1ln\u00edch podm\u00ednk\u00e1ch<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-prumyslove-farmy-jina-liga\" class=\"StepProgress-item__link\" data-level=\"3\">Pr\u016fmyslov\u00e9 farmy: jin\u00e1 liga<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                                                                                                                        <li class=\"StepProgress-item subList-in-progress ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-jak-vypocitat-ziskovost-tezby-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"2\">Jak vypo\u010d\u00edtat ziskovost t\u011b\u017eby bitcoinu?<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-jak-vypocitat-ziskovost-tezby-bitcoinu\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-priklad-vypoctu\" class=\"StepProgress-item__link\" data-level=\"3\">P\u0159\u00edklad v\u00fdpo\u010dtu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-dulezite-upozorneni\" class=\"StepProgress-item__link\" data-level=\"3\">D\u016fle\u017eit\u00e9 upozorn\u011bn\u00ed<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-faktory-ovlivnujici-ziskovost-tezby\" class=\"StepProgress-item__link\" data-level=\"3\">Faktory ovliv\u0148uj\u00edc\u00ed ziskovost t\u011b\u017eby<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                                                                                                                        <li class=\"StepProgress-item subList-in-progress ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-rizika-a-vyzvy-spojene-s-tezbou-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"2\">Rizika a v\u00fdzvy spojen\u00e9 s t\u011b\u017ebou bitcoinu<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-rizika-a-vyzvy-spojene-s-tezbou-bitcoinu\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-ekologicke-dopady-tezby-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">Ekologick\u00e9 dopady t\u011b\u017eby bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                                                                                                                        <li class=\"StepProgress-item subList-in-progress ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-budoucnost-tezby-bitcoinu-co-prinese-rok-2025-a-dale\" class=\"StepProgress-item__link\" data-level=\"2\">Budoucnost t\u011b\u017eby bitcoinu: Co p\u0159inese rok 2025 a d\u00e1le?<\/a>\n                                                            <span class=\"StepProgress-item__link-sub\"><\/span>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-h-budoucnost-tezby-bitcoinu-co-prinese-rok-2025-a-dale\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                                        <span>\n                                          <a data-id=\"h-dopad-halvingu-na-tezbu-bitcoinu\" class=\"StepProgress-item__link\" data-level=\"3\">Dopad halvingu na t\u011b\u017ebu bitcoinu<\/a>\n                                        <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                                                                                                                            <li class=\"StepProgress-item ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-zaver-je-tezba-bitcoinu-pro-vas-tou-pravou-cestou\" class=\"StepProgress-item__link\" data-level=\"2\">Z\u00e1v\u011br: Je t\u011b\u017eba bitcoinu pro v\u00e1s tou pravou cestou?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                                                                                                                            <li class=\"StepProgress-item ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-faq\" class=\"StepProgress-item__link\" data-level=\"2\">FAQ<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                                                                                                                            <li class=\"StepProgress-item ms_hidetoc\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"h-reference\" class=\"StepProgress-item__link\" data-level=\"2\">Reference<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                    <\/ol>\n            <\/div>\n            <div class=\"toc-sticky__container__disperse\"><\/div>\n        <\/div>\n    <\/div>\n<\/div><script id=\"toc-js\">\n    window.addEventListener(\"DOMContentLoaded\", () => {\n        const header = document.querySelector(\".header_wrapper\");\n\n        const pageLegend = 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docBody.scrollTop;\n\n                \/\/ if user scrolls to headerHeight from the top of the target div\n                if (scrollTop >= stop) {\n                    pageLegendCollapse.hide();\n                    \/\/ stick the div\n                    target.classList.add(\"sticky\");\n                    \/\/target.style.marginTop = `${headerHeight}px`;\n                } else {\n                    pageLegendCollapse.show();\n                    \/\/ release the div\n                    target.classList.remove(\"sticky\");\n                    target.style.marginTop = \"\";\n                }\n            }\n\n            applySticky();\n\n            window.addEventListener('scroll', applySticky);\n        })(header, pageLegendCollapse);\n\n        jQuery('span.show_moretoc').click(function () {\n            jQuery('span.show_moretoc').hide();\n            jQuery('.ms_hidetoc').show();\n        });\n    });\n<\/script><p data-start=\"616\" data-end=\"887\"><\/p><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p data-start=\"616\" data-end=\"887\"><strong>Kl\u00ed\u010dov\u00e9 body<\/strong><\/p>\n<ul>\n<li data-start=\"68\" data-end=\"180\">\n<p data-start=\"70\" data-end=\"180\">T\u011b\u017ea\u0159i z\u00edsk\u00e1vaj\u00ed bitcoiny jako odm\u011bnu za vytv\u00e1\u0159en\u00ed nov\u00fdch blok\u016f, kter\u00e9 se p\u0159id\u00e1vaj\u00ed do blockchainu.<\/p>\n<\/li>\n<li data-start=\"181\" data-end=\"254\">\n<p data-start=\"183\" data-end=\"254\">Kv\u016fli vysok\u00e9 konkurenci jsou odm\u011bny za t\u011b\u017ebu t\u011b\u017eko dosa\u017eiteln\u00e9.<\/p>\n<\/li>\n<li data-start=\"255\" data-end=\"366\">\n<p data-start=\"257\" data-end=\"366\">Pravd\u011bpodobnost, \u017ee \u00fa\u010dastn\u00edk nalezne \u0159e\u0161en\u00ed a z\u00edsk\u00e1 odm\u011bnu, z\u00e1vis\u00ed na jeho pod\u00edlu na celkov\u00e9m t\u011b\u017eebn\u00edm v\u00fdkonu s\u00edt\u011b.<\/p>\n<\/li>\n<li data-start=\"367\" data-end=\"424\">\n<p data-start=\"369\" data-end=\"424\">T\u011b\u017eba bitcoinu vy\u017eaduje zna\u010dn\u00e9 investice do hardwaru.<\/p>\n<\/li>\n<li data-start=\"425\" data-end=\"559\">\n<p data-start=\"427\" data-end=\"559\">Aby byli t\u011b\u017ea\u0159i konkurenceschopn\u00ed, pot\u0159ebuj\u00ed jedno nebo v\u00edce specializovan\u00fdch za\u0159\u00edzen\u00ed (tzv. ASIC miner) ur\u010den\u00fdch v\u00fdhradn\u011b pro t\u011b\u017ebu.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"616\" data-end=\"887\"><\/p><\/div><\/div><h2 data-start=\"616\" data-end=\"887\"><span style=\"font-weight: 400\">Jak funguje t\u011b\u017eba bitcoinu? Z\u00e1kladn\u00ed principy<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"235\" data-end=\"540\"><strong data-start=\"235\" data-end=\"253\">T\u011b\u017eba bitcoinu<\/strong> zaji\u0161\u0165uje fungov\u00e1n\u00ed cel\u00e9 bitcoinov\u00e9 s\u00edt\u011b. Nen\u00ed to jen o \u201evyr\u00e1b\u011bn\u00ed\u201c nov\u00fdch coin\u016f \u2013 t\u011b\u017eba je p\u00e1te\u0159\u00ed decentralizovan\u00e9ho syst\u00e9mu, kter\u00fd umo\u017e\u0148uje ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed a zaru\u010duje bezpe\u010dnost a integritu ve\u0159ejn\u00e9 \u00fa\u010detn\u00ed knihy \u2013 blockchainu.<\/p><h3 data-start=\"542\" data-end=\"580\"><strong>Co p\u0159esn\u011b znamen\u00e1 \u201et\u011b\u017eit bitcoin\u201c?<\/strong><\/h3><p data-start=\"582\" data-end=\"995\">Kdy\u017e n\u011bkdo v bitcoinov\u00e9 s\u00edti ode\u0161le nebo p\u0159ijme bitcoiny, vznikne nov\u00e1 transakce. Aby byla tato transakce pova\u017eov\u00e1na za platnou a mohla b\u00fdt trvale zaps\u00e1na do blockchainu (digit\u00e1ln\u00edho z\u00e1znamu v\u0161ech transakc\u00ed), mus\u00ed ji n\u011bkdo ov\u011b\u0159it. A pr\u00e1v\u011b zde p\u0159ich\u00e1z\u00ed ke slovu <strong data-start=\"843\" data-end=\"853\">t\u011b\u017ea\u0159i<\/strong> \u2013 \u00fa\u010dastn\u00edci s\u00edt\u011b, kte\u0159\u00ed vyu\u017e\u00edvaj\u00ed v\u00fdpo\u010detn\u00ed v\u00fdkon sv\u00fdch za\u0159\u00edzen\u00ed k ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed a jejich seskupov\u00e1n\u00ed do tzv. <strong data-start=\"985\" data-end=\"994\">blok\u016f<\/strong>.<\/p><p data-start=\"997\" data-end=\"1268\">Ka\u017ed\u00fd nov\u00fd blok, kter\u00fd t\u011b\u017ea\u0159 vytvo\u0159\u00ed, je n\u00e1sledn\u011b p\u0159ipojen ke st\u00e1vaj\u00edc\u00edmu \u0159et\u011bzci blok\u016f (jin\u00fdmi sovy zaps\u00e1na do blockchainu). Tento proces prob\u00edh\u00e1 <strong data-start=\"1126\" data-end=\"1146\">decentralizovan\u011b<\/strong>, bez centr\u00e1ln\u00ed autority, a t\u011b\u017ea\u0159, kter\u00e9mu se poda\u0159\u00ed blok \u00fasp\u011b\u0161n\u011b vytvo\u0159it, z\u00edsk\u00e1v\u00e1 za svou pr\u00e1ci <strong data-start=\"1244\" data-end=\"1267\">odm\u011bnu v BTC<\/strong>.<\/p><figure id=\"attachment_1564\" aria-describedby=\"caption-attachment-1564\" style=\"width: 689px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1564\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22161429\/1750608868-bitcoin-mining.jpg\" alt=\"T\u011b\u017eba bitcoinu je vlastn\u011b proces ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed v s\u00edti.\" width=\"689\" height=\"464\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22161429\/1750608868-bitcoin-mining.jpg 726w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22161429\/1750608868-bitcoin-mining-300x202.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22161429\/1750608868-bitcoin-mining-450x303.jpg 450w\" sizes=\"auto, (max-width: 689px) 100vw, 689px\"><figcaption id=\"caption-attachment-1564\" class=\"wp-caption-text\">T\u011b\u017eba bitcoinu je vlastn\u011b proces ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed v s\u00edti. Zdroj: Investopedia<\/figcaption><\/figure><h3 data-start=\"1270\" data-end=\"1316\"><strong>Proof-of-Work: V\u00fdpo\u010detn\u00ed z\u00e1vod o nov\u00fd blok<\/strong><\/h3><p data-start=\"398\" data-end=\"1078\">T\u011b\u017eba bitcoinu stoj\u00ed na mechanismu <strong>Proof-of-Work (PoW),<\/strong> kter\u00fd zaji\u0161\u0165uje bezpe\u010dnost cel\u00e9 s\u00edt\u011b. T\u011b\u017ea\u0159i si z tzv. <strong>mempoolu<\/strong> (z anglick\u00e9ho <em data-start=\"539\" data-end=\"552\">memory pool<\/em> \u2013 p\u0159edstavte si ho jako virtu\u00e1ln\u00ed \u010dek\u00e1rnu pro nepotvrzen\u00e9 transakce) vyb\u00edraj\u00ed transakce, ov\u011b\u0159uj\u00ed jejich platnost a sestavuj\u00ed z nich nov\u00e9 bloky. Aby mohli blok zapsat do blockchainu, mus\u00ed nejprve vy\u0159e\u0161it v\u00fdpo\u010detn\u011b n\u00e1ro\u010dn\u00fd probl\u00e9m \u2013 naj\u00edt takovou hodnotu <strong>(hash)<\/strong>, kter\u00e1 spl\u0148uje specifick\u00e9 po\u017eadavky s\u00edt\u011b.<\/p><p data-start=\"1689\" data-end=\"2028\">\u0158e\u0161en\u00ed tohoto probl\u00e9mu nen\u00ed ot\u00e1zkou inteligence nebo programov\u00e1n\u00ed \u2013 po\u010d\u00edta\u010d zkou\u0161\u00ed metodou pokus-omyl obrovsk\u00e9 mno\u017estv\u00ed kombinac\u00ed, dokud nenajde spr\u00e1vn\u00fd v\u00fdsledek. T\u011b\u017ea\u0159, kter\u00fd najde spr\u00e1vn\u00e9 \u0159e\u0161en\u00ed jako prvn\u00ed, z\u00edsk\u00e1v\u00e1 pr\u00e1vo p\u0159idat nov\u00fd blok do blockchainu a je <strong data-start=\"1931\" data-end=\"1992\">odm\u011bn\u011bn nov\u011b vytvo\u0159en\u00fdmi BTC a poplatky za transakce<\/strong>, kter\u00e9 jsou v dan\u00e9m bloku zahrnuty.<\/p><figure id=\"attachment_1565\" aria-describedby=\"caption-attachment-1565\" style=\"width: 726px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1565 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Hash je unik\u00e1tn\u00ed otisk dat vytvo\u0159en\u00fd pomoc\u00ed hashovac\u00ed funkce.\" width=\"726\" height=\"491\" sizes=\"auto, (max-width: 726px) 100vw, 726px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162255\/1750609374-hash.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162255\/1750609374-hash.png 742w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162255\/1750609374-hash-300x203.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162255\/1750609374-hash-450x304.png 450w\"><figcaption id=\"caption-attachment-1565\" class=\"wp-caption-text\">Hash je unik\u00e1tn\u00ed otisk dat vytvo\u0159en\u00fd pomoc\u00ed hashovac\u00ed funkce. Zdroj: Investopedia<\/figcaption><\/figure><h3 data-start=\"2030\" data-end=\"2059\"><strong>V\u00fdznam v\u00fdpo\u010detn\u00edho v\u00fdkonu<\/strong><\/h3><p data-start=\"2061\" data-end=\"2473\">Proto\u017ee \u0161ance na \u00fasp\u011b\u0161nou t\u011b\u017ebu z\u00e1vis\u00ed na tom, jak rychle dok\u00e1\u017eete zkou\u0161et r\u016fzn\u00e9 kombinace hash\u016f, je kl\u00ed\u010dov\u00fd <strong data-start=\"2170\" data-end=\"2189\">v\u00fdpo\u010detn\u00ed v\u00fdkon<\/strong>. \u010c\u00edm v\u00fdkonn\u011bj\u0161\u00ed hardware, t\u00edm v\u011bt\u0161\u00ed pravd\u011bpodobnost, \u017ee t\u011b\u017ea\u0159 najde \u0159e\u0161en\u00ed d\u0159\u00edve ne\u017e ostatn\u00ed. Z tohoto d\u016fvodu se dnes t\u011b\u017eba b\u011b\u017en\u011b prov\u00e1d\u00ed pomoc\u00ed specializovan\u00fdch za\u0159\u00edzen\u00ed naz\u00fdvan\u00fdch <strong data-start=\"2372\" data-end=\"2380\">ASIC minery<\/strong> (Application-Specific Integrated Circuit), kter\u00e9 jsou navr\u017een\u00e9 v\u00fdhradn\u011b pro t\u011b\u017ebu kryptom\u011bn.<\/p><h4 data-start=\"2061\" data-end=\"2473\"><span style=\"font-weight: 400\">Role t\u011b\u017ea\u0159\u016f v s\u00edti Bitcoin<\/span><\/h4><p data-start=\"211\" data-end=\"493\">T\u011b\u017ea\u0159i hraj\u00ed v bitcoinov\u00e9 s\u00edti z\u00e1sadn\u00ed roli. Jejich \u00fakolem je <strong data-start=\"273\" data-end=\"300\">ov\u011b\u0159ovat nov\u00e9 transakce<\/strong>, seskupovat je do blok\u016f a <strong data-start=\"327\" data-end=\"366\">p\u0159ipojovat tyto bloky k blockchainu<\/strong>. T\u00edm udr\u017euj\u00ed cel\u00fd syst\u00e9m v chodu, zaji\u0161\u0165uj\u00ed jeho <strong data-start=\"416\" data-end=\"459\">transparentnost, nem\u011bnnost a bezpe\u010dnost<\/strong> \u2013 bez pot\u0159eby centr\u00e1ln\u00ed autority.<\/p><p data-start=\"495\" data-end=\"546\">Za tuto pr\u00e1ci jsou t\u011b\u017ea\u0159i motivov\u00e1ni odm\u011bnou:<\/p><ul data-start=\"547\" data-end=\"698\">\n<li data-start=\"547\" data-end=\"620\">\n<p data-start=\"549\" data-end=\"620\">nov\u011b vytvo\u0159en\u00fdmi bitcoiny \u2013 tzv. <strong data-start=\"589\" data-end=\"617\">odm\u011bnou za vyt\u011b\u017een\u00fd blok<\/strong>,<\/p>\n<\/li>\n<li data-start=\"621\" data-end=\"698\">\n<p data-start=\"623\" data-end=\"698\">a <strong data-start=\"630\" data-end=\"655\">transak\u010dn\u00edmi poplatky<\/strong>, kter\u00e9 u\u017eivatel\u00e9 plat\u00ed p\u0159i ka\u017ed\u00e9m p\u0159evodu.<\/p>\n<\/li>\n<\/ul><p data-start=\"700\" data-end=\"963\">V sou\u010dasnosti (rok 2026) je odm\u011bna za vyt\u011b\u017een\u00fd blok na \u00farovni <strong data-start=\"754\" data-end=\"767\">3,125 BTC<\/strong>, a to d\u00edky pravideln\u00e9mu procesu zvan\u00e9mu <strong data-start=\"808\" data-end=\"819\">halving<\/strong>, kter\u00fd sni\u017euje odm\u011bnu pro t\u011b\u017ea\u0159e bitcoinu na polovinu. T\u00edm se nejen <strong data-start=\"252\" data-end=\"305\">zpomaluje tempo vyd\u00e1v\u00e1n\u00ed nov\u00fdch bitcoin\u016f do ob\u011bhu<\/strong>, ale tak\u00e9 se <strong data-start=\"319\" data-end=\"362\">m\u011bn\u00ed ekonomick\u00e1 dynamika cel\u00e9ho syst\u00e9mu<\/strong> \u2013 v\u010detn\u011b mo\u017en\u00e9ho dopadu na cenu BTC a udr\u017eitelnost t\u011b\u017eby jako takov\u00e9. Podrobnosti o t\u00e9to ud\u00e1losti najdete v na\u0161em samostatn\u00e9m \u010dl\u00e1nku o <a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-halving-bitcoinu\/\">halvingu bitcoinu<\/a>.<\/p><figure id=\"attachment_1526\" aria-describedby=\"caption-attachment-1526\" style=\"width: 720px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1526 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Halving bitcoinu a odm\u011bny za t\u011b\u017ebu bitcoinu v \u010dase. Zdroj: learn.swyftx.com\" width=\"720\" height=\"443\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20115653\/1750420612-bitcoin-halving-rewards.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20115653\/1750420612-bitcoin-halving-rewards.png 1004w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20115653\/1750420612-bitcoin-halving-rewards-300x185.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20115653\/1750420612-bitcoin-halving-rewards-768x473.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20115653\/1750420612-bitcoin-halving-rewards-450x277.png 450w\"><figcaption id=\"caption-attachment-1526\" class=\"wp-caption-text\">Halving a odm\u011bny za t\u011b\u017ebu v \u010dase. Zdroj: learn.swyftx.com<\/figcaption><\/figure><h4 data-start=\"700\" data-end=\"963\"><span style=\"font-weight: 400\">Co je t\u0159eba k t\u011b\u017eb\u011b bitcoinu?<\/span><\/h4><p data-start=\"235\" data-end=\"622\">T\u011b\u017eba bitcoinu u\u017e d\u00e1vno nen\u00ed kon\u00ed\u010dkem pro nad\u0161ence s b\u011b\u017en\u00fdm po\u010d\u00edta\u010dem v ob\u00fdv\u00e1ku. T\u011b\u017eba je dnes vysoce konkuren\u010dn\u00ed a technicky n\u00e1ro\u010dn\u00e1 z\u00e1le\u017eitost, kter\u00e1 vy\u017eaduje specializovan\u00e9 vybaven\u00ed, dostatek elektrick\u00e9 energie a spr\u00e1vn\u011b zvolen\u00fd software. Pokud m\u00e1te v pl\u00e1nu se do t\u011b\u017eby pustit, m\u011bli byste si nejprve ujasnit, <strong data-start=\"561\" data-end=\"621\">co v\u0161echno je k tomu pot\u0159eba \u2013 a zda se to v\u016fbec vyplat\u00ed<\/strong>.<\/p><h3 data-start=\"624\" data-end=\"660\"><strong>1. V\u00fdkonn\u00fd hardware: ASIC minery<\/strong><\/h3><p data-start=\"662\" data-end=\"963\">Z\u00e1kladem ka\u017ed\u00e9 t\u011b\u017eebn\u00ed sestavy je <strong data-start=\"696\" data-end=\"726\">v\u00fdpo\u010detn\u011b v\u00fdkonn\u00fd hardware<\/strong>, kter\u00fd dok\u00e1\u017ee \u0159e\u0161it slo\u017eit\u00e9 matematick\u00e9 \u00falohy, kter\u00e9 bitcoinov\u00e1 s\u00ed\u0165 vy\u017eaduje. V minulosti se bitcoin t\u011b\u017eil pomoc\u00ed b\u011b\u017en\u00fdch CPU, pozd\u011bji GPU, ale dnes u\u017e jsou tyto metody zcela zastaral\u00e9 a <strong data-start=\"935\" data-end=\"962\">ekonomicky nerentabiln\u00ed<\/strong>.<\/p><p data-start=\"965\" data-end=\"1338\">V sou\u010dasnosti t\u011b\u017eba prob\u00edh\u00e1 t\u00e9m\u011b\u0159 v\u00fdhradn\u011b pomoc\u00ed <strong data-start=\"1014\" data-end=\"1031\">ASIC za\u0159\u00edzen\u00ed<\/strong> \u2013 specializovan\u00fdch v\u00fdpo\u010detn\u00edch jednotek s \u010dipy navr\u017een\u00fdmi p\u0159\u00edmo pro t\u011b\u017ebu kryptom\u011bn, kter\u00e9 jsou n\u011bkolikan\u00e1sobn\u011b v\u00fdkonn\u011bj\u0161\u00ed ne\u017e b\u011b\u017en\u00e9 po\u010d\u00edta\u010de, a nav\u00edc v\u00fdrazn\u011b efektivn\u011bj\u0161\u00ed z hlediska spot\u0159eby energie. Mezi zn\u00e1m\u00e9 v\u00fdrobce ASIC miner\u016f pat\u0159\u00ed nap\u0159\u00edklad <strong>Bitmain (Antminer) nebo WhatsMiner.<\/strong><\/p><figure id=\"attachment_1566\" aria-describedby=\"caption-attachment-1566\" style=\"width: 447px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1566 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Bez ASIC miner\u016f je t\u011b\u017eba bitcoinu extr\u00e9mn\u011b nerentabiln\u00ed.\" width=\"447\" height=\"326\" sizes=\"auto, (max-width: 447px) 100vw, 447px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162659\/1750609619-asic-miner.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162659\/1750609619-asic-miner.png 447w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22162659\/1750609619-asic-miner-300x219.png 300w\"><figcaption id=\"caption-attachment-1566\" class=\"wp-caption-text\">Bez ASIC miner\u016f je dnes t\u011b\u017eba bitcoinu nerentabiln\u00ed. Zdroj: Shutterstock<\/figcaption><\/figure><h3 data-start=\"1340\" data-end=\"1383\"><strong>2. P\u0159\u00edstup k levn\u00e9 a stabiln\u00ed elekt\u0159in\u011b<\/strong><\/h3><p data-start=\"1385\" data-end=\"1801\">T\u011b\u017eba bitcoinu je energeticky extr\u00e9mn\u011b n\u00e1ro\u010dn\u00fd proces. ASIC minery pracuj\u00ed nep\u0159etr\u017eit\u011b 24\/7 a maj\u00ed <strong data-start=\"1483\" data-end=\"1513\">vysokou spot\u0159ebu elekt\u0159iny<\/strong>. N\u00e1klady na energii tak tvo\u0159\u00ed <strong data-start=\"1544\" data-end=\"1564\">nejv\u011bt\u0161\u00ed polo\u017eku<\/strong> v celkov\u00fdch v\u00fddaj\u00edch ka\u017ed\u00e9ho t\u011b\u017ea\u0159e. Z tohoto d\u016fvodu se t\u011b\u017ea\u0159sk\u00e1 centra \u010dasto nach\u00e1zej\u00ed v regionech s <strong data-start=\"1667\" data-end=\"1695\">n\u00edzk\u00fdmi cenami elekt\u0159iny<\/strong>, nap\u0159\u00edklad u vodn\u00edch elektr\u00e1ren, v bl\u00edzkosti geoterm\u00e1ln\u00edch zdroj\u016f nebo v zem\u00edch s energetick\u00fdm p\u0159ebytkem (nap\u0159. Island, Norsko nebo Kazachst\u00e1n).<\/p><p data-start=\"1803\" data-end=\"1945\">Bez p\u0159\u00edstupu k levn\u00e9 energii je t\u00e9m\u011b\u0159 nemo\u017en\u00e9 dos\u00e1hnout v t\u011b\u017eb\u011b zisku \u2013 zejm\u00e9na p\u0159i sou\u010dasn\u00e9 <strong data-start=\"1896\" data-end=\"1944\">obt\u00ed\u017enosti t\u011b\u017eby a siln\u00e9 glob\u00e1ln\u00ed konkurenci<\/strong>.<\/p><h3 data-start=\"1947\" data-end=\"1970\"><strong>3. T\u011b\u017eebn\u00ed software<\/strong><\/h3><p data-start=\"1972\" data-end=\"2283\">Dal\u0161\u00ed nezbytnou sou\u010d\u00e1st\u00ed je <strong data-start=\"2000\" data-end=\"2020\">t\u011b\u017eebn\u00ed software<\/strong>, kter\u00fd propojuje t\u011b\u017eebn\u00ed za\u0159\u00edzen\u00ed se zbytkem bitcoinov\u00e9 s\u00edt\u011b nebo s <strong>t\u011b\u017eebn\u00edm poolem<\/strong> \u2013 skupinou t\u011b\u017ea\u0159\u016f, kte\u0159\u00ed kombinuj\u00ed sv\u016fj v\u00fdpo\u010detn\u00ed v\u00fdkon a n\u00e1sledn\u011b si d\u011bl\u00ed odm\u011bnu. Mezi nejpou\u017e\u00edvan\u011bj\u0161\u00ed programy pro t\u011b\u017ebu pat\u0159\u00ed <strong data-start=\"2246\" data-end=\"2282\">CGMiner, BFGMiner nebo EasyMiner<\/strong>.<\/p><p data-start=\"2285\" data-end=\"2466\">Software umo\u017e\u0148uje spr\u00e1vu za\u0159\u00edzen\u00ed, monitorov\u00e1n\u00ed teploty, v\u00fdkonu, nap\u011bt\u00ed i lad\u011bn\u00ed v\u00fdkonov\u00fdch parametr\u016f. Z\u00e1rove\u0148 zaji\u0161\u0165uje komunikaci se s\u00edt\u00ed a samotn\u00fd proces \u0159e\u0161en\u00ed hashovac\u00edch \u00faloh.<\/p><figure id=\"attachment_1567\" aria-describedby=\"caption-attachment-1567\" style=\"width: 443px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1567 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"K t\u011b\u017eb\u011b bitcoinu pot\u0159ebujete tak\u00e9 specializovan\u00fd software. Zdroj: cgminer.info\" width=\"443\" height=\"628\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22163720\/1750610240-cgminer.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22163720\/1750610240-cgminer.jpg 460w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22163720\/1750610240-cgminer-212x300.jpg 212w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22163720\/1750610240-cgminer-450x638.jpg 450w\"><figcaption id=\"caption-attachment-1567\" class=\"wp-caption-text\">K t\u011b\u017eb\u011b pot\u0159ebujete tak\u00e9 specializovan\u00fd software. Zdroj: cgminer.info<\/figcaption><\/figure><h3 data-start=\"2473\" data-end=\"2507\"><strong>Pro\u010d u\u017e nesta\u010d\u00ed b\u011b\u017en\u00fd po\u010d\u00edta\u010d?<\/strong><\/h3><p data-start=\"2509\" data-end=\"2883\">Mnoho lid\u00ed se st\u00e1le pt\u00e1: <strong data-start=\"2534\" data-end=\"2592\">\u201eD\u00e1 se dnes je\u0161t\u011b t\u011b\u017eit bitcoin na PC nebo notebooku?\u201c<\/strong> Odpov\u011b\u010f je jednoduch\u00e1 \u2013 ne, ned\u00e1. Ne efektivn\u011b. Dne\u0161n\u00ed \u00farove\u0148 obt\u00ed\u017enosti t\u011b\u017eby je tak vysok\u00e1, \u017ee b\u011b\u017en\u00e9 dom\u00e1c\u00ed za\u0159\u00edzen\u00ed by pracovalo <strong data-start=\"2729\" data-end=\"2743\">stovky let<\/strong>, ne\u017e by samo zvl\u00e1dlo vyt\u011b\u017eit by\u0165 jen jeden blok \u2013 a p\u0159itom by spot\u0159ebovalo <strong data-start=\"2819\" data-end=\"2882\">mnohon\u00e1sobn\u011b v\u00edc energie, ne\u017e kolik by pokryl v\u00fdd\u011blek<\/strong>.<\/p><p data-start=\"2885\" data-end=\"3167\"><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-bitcoin\/\">Bitcoin<\/a> s\u00ed\u0165 automaticky upravuje obt\u00ed\u017enost t\u011b\u017eby podle celkov\u00e9ho v\u00fdpo\u010detn\u00edho v\u00fdkonu v\u0161ech t\u011b\u017ea\u0159\u016f. Tento v\u00fdkon, naz\u00fdvan\u00fd <strong data-start=\"3008\" data-end=\"3020\">hashrate<\/strong>, neust\u00e1le roste. \u010c\u00edm v\u00edce t\u011b\u017ea\u0159\u016f se do s\u00edt\u011b p\u0159ipojuje a \u010d\u00edm v\u00fdkonn\u011bj\u0161\u00ed za\u0159\u00edzen\u00ed pou\u017e\u00edvaj\u00ed, t\u00edm slo\u017eit\u011bj\u0161\u00ed je naj\u00edt spr\u00e1vn\u00e9 \u0159e\u0161en\u00ed a z\u00edskat odm\u011bnu.<\/p><figure id=\"attachment_1527\" aria-describedby=\"caption-attachment-1527\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1527 size-large lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"V\u00fdvoj hashrate v \u010dase. Zdroj: bitcoinvisuals.com\" width=\"640\" height=\"206\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20120501\/1750421100-hashrate-graph-1024x330.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20120501\/1750421100-hashrate-graph-1024x330.png 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20120501\/1750421100-hashrate-graph-300x97.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20120501\/1750421100-hashrate-graph-768x248.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20120501\/1750421100-hashrate-graph-450x145.png 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/20120501\/1750421100-hashrate-graph.png 1278w\"><figcaption id=\"caption-attachment-1527\" class=\"wp-caption-text\">V\u00fdvoj hashrate v \u010dase. Zdroj: bitcoinvisuals.com<\/figcaption><\/figure><p data-start=\"3325\" data-end=\"3336\"><\/p><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p data-start=\"3338\" data-end=\"3390\">Pro t\u011b\u017ebu bitcoinu je v roce 2025 t\u0159eba:<\/p>\n<ul data-start=\"3391\" data-end=\"3572\">\n<li data-start=\"3391\" data-end=\"3436\">\n<p data-start=\"3393\" data-end=\"3436\">specializovan\u00fd a v\u00fdkonn\u00fd hadrware \u2013 <strong data-start=\"3418\" data-end=\"3435\">ASIC miner<\/strong>,<\/p>\n<\/li>\n<li data-start=\"3437\" data-end=\"3501\">\n<p data-start=\"3439\" data-end=\"3501\"><strong data-start=\"3439\" data-end=\"3473\">levn\u00e1 a spolehliv\u00e1 elekt\u0159ina<\/strong> (ide\u00e1ln\u011b pod 0,05 USD\/kWh),<\/p>\n<\/li>\n<li data-start=\"3502\" data-end=\"3572\">\n<p data-start=\"3504\" data-end=\"3572\">vhodn\u00fd <strong data-start=\"3511\" data-end=\"3531\">t\u011b\u017eebn\u00ed software<\/strong> a ide\u00e1ln\u011b i zapojen\u00ed do t\u011b\u017eebn\u00edho poolu.<\/p>\n<\/li>\n<\/ul>\n<\/div><\/div><p data-start=\"3574\" data-end=\"3657\">Bez t\u011bchto podm\u00ednek je t\u011b\u017eba bitcoinu nejen <strong data-start=\"3618\" data-end=\"3633\">neefektivn\u00ed<\/strong>, ale t\u00e9m\u011b\u0159 <strong data-start=\"3645\" data-end=\"3656\">nemo\u017en\u00e1<\/strong>.<\/p><h2 data-start=\"3574\" data-end=\"3657\"><span style=\"font-weight: 400\">Jak t\u011b\u017eit bitcoin: Praktick\u00fd n\u00e1vod pro za\u010d\u00e1te\u010dn\u00edky<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><h3 data-start=\"197\" data-end=\"218\"><strong>1. V\u00fdb\u011br hardwaru pro t\u011b\u017ebu bitcoinu<\/strong><\/h3><p data-start=\"220\" data-end=\"498\">U\u017e v\u00edte, \u017ee t\u011b\u017eba bitcoinu vy\u017eaduje specializovan\u00fd <strong data-start=\"276\" data-end=\"326\">ASIC miner,<\/strong> kter\u00fd je k t\u011b\u017eb\u011b optimalizovan\u00fd. Nejzn\u00e1m\u011bj\u0161\u00ed a nejv\u00fdkonn\u011bj\u0161\u00ed modely vyr\u00e1b\u00ed firmy jako Bitmain (Antminer), MicroBT (Whatsminer) nebo Canaan (AvalonMiner).<\/p><ul data-start=\"500\" data-end=\"806\">\n<li data-start=\"500\" data-end=\"675\">\n<p data-start=\"502\" data-end=\"675\">Pokud s t\u011b\u017ebou za\u010d\u00edn\u00e1te a chcete ji provozovat doma \u2013 <strong data-start=\"528\" data-end=\"576\">t\u011b\u017eba na b\u011b\u017en\u00e9m PC nebo grafick\u00e9 kart\u011b <\/strong>je prakticky neefektivn\u00ed a v roce 2025 u\u017e t\u00e9m\u011b\u0159 bez \u0161ance kv\u016fli vysok\u00e9 konkurenci a obt\u00ed\u017enosti t\u011b\u017eby.<\/p>\n<\/li>\n<li data-start=\"676\" data-end=\"806\">\n<p data-start=\"678\" data-end=\"806\">ASIC za\u0159\u00edzen\u00ed stoj\u00ed n\u011bkolik tis\u00edc a\u017e des\u00edtek tis\u00edc korun, spot\u0159ebov\u00e1vaj\u00ed hodn\u011b elektrick\u00e9 energie a pot\u0159ebuj\u00ed kvalitn\u00ed chlazen\u00ed.<\/p>\n<\/li>\n<\/ul><h3 data-start=\"808\" data-end=\"842\"><strong>2. P\u0159ipojen\u00ed k t\u011b\u017eebn\u00edmu poolu<\/strong><\/h3><p data-start=\"844\" data-end=\"1136\">Individu\u00e1ln\u00ed t\u011b\u017eba (solo mining) je dnes velmi problematick\u00e1 cesta k zisku, proto\u017ee pravd\u011bpodobnost \u00fasp\u011b\u0161n\u00e9ho vyt\u011b\u017een\u00ed bloku je extr\u00e9mn\u011b n\u00edzk\u00e1. V\u011bt\u0161ina t\u011b\u017ea\u0159\u016f se proto p\u0159ipojuje k <strong data-start=\"1026\" data-end=\"1045\">t\u011b\u017eebn\u00edm pool\u016fm<\/strong> \u2013 skupin\u00e1m t\u011b\u017ea\u0159\u016f, kte\u0159\u00ed sd\u00edlej\u00ed v\u00fdpo\u010detn\u00ed v\u00fdkon a odm\u011bnu si d\u011bl\u00ed podle v\u00fdkonu, kter\u00fdm do poolu p\u0159isp\u011bli.<\/p><ul data-start=\"1138\" data-end=\"1328\">\n<li data-start=\"1138\" data-end=\"1209\">\n<p data-start=\"1140\" data-end=\"1209\">Mezi dominantn\u00ed t\u011b\u017eebn\u00ed pooly aktu\u00e1ln\u011b pat\u0159\u00ed Foundry USA, Antpool, ViaBTC, F2Pool a Binance Pool, kter\u00e9 spole\u010dn\u011b kontroluj\u00ed p\u0159es 60\u202f% celkov\u00e9ho hashratu s\u00edt\u011b<\/p>\n<\/li>\n<li data-start=\"1138\" data-end=\"1209\">\n<p data-start=\"1140\" data-end=\"1209\">P\u0159ipojen\u00ed k poolu vy\u017eaduje registraci na jejich webu a nastaven\u00ed t\u011b\u017eebn\u00edho softwaru, kter\u00fd p\u0159esm\u011bruje v\u00fdkon na pool.<\/p>\n<\/li>\n<\/ul><figure id=\"attachment_1569\" aria-describedby=\"caption-attachment-1569\" style=\"width: 643px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1569 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Jak funguje t\u011b\u017eba bitcoinu, dominantn\u00ed mining pooly v roce 2025.\" width=\"643\" height=\"482\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025.png 1600w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025-300x225.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025-1024x768.png 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025-768x576.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025-1536x1152.png 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22164842\/1750610921-btc_mining_pools_2025-450x338.png 450w\"><figcaption id=\"caption-attachment-1569\" class=\"wp-caption-text\">Dominantn\u00ed mining pooly v roce 2025. Zdroj: vlastn\u00ed zpracov\u00e1n\u00ed<\/figcaption><\/figure><h3 data-start=\"1330\" data-end=\"1355\"><strong>3. Nastaven\u00ed softwaru<\/strong><\/h3><p data-start=\"1357\" data-end=\"1469\">Pro t\u011b\u017ebu je pot\u0159eba speci\u00e1ln\u00ed software, kter\u00fd komunikuje s ASIC hardwarem a serverem poolu. Mezi obl\u00edben\u00e9 pat\u0159\u00ed:<\/p><ul data-start=\"1471\" data-end=\"1544\">\n<li data-start=\"1471\" data-end=\"1480\">\n<p data-start=\"1473\" data-end=\"1480\">CGMiner<\/p>\n<\/li>\n<li data-start=\"1481\" data-end=\"1491\">\n<p data-start=\"1483\" data-end=\"1491\">BFGMiner<\/p>\n<\/li>\n<li data-start=\"1492\" data-end=\"1544\">\n<p data-start=\"1494\" data-end=\"1544\">EasyMiner (software s jednodu\u0161\u0161\u00edm a p\u0159ehledn\u011bj\u0161\u00edm rozhran\u00edm vhodn\u00fd pro za\u010d\u00e1te\u010dn\u00edky)<\/p>\n<\/li>\n<\/ul><p data-start=\"1546\" data-end=\"1659\">Software je t\u0159eba spr\u00e1vn\u011b nakonfigurovat podle instrukc\u00ed poolu (zadat adresu poolu, u\u017eivatelsk\u00e9 jm\u00e9no, heslo).<\/p><h3 data-start=\"1661\" data-end=\"1682\"><strong>4. Spu\u0161t\u011bn\u00ed t\u011b\u017eby bitcoinu<\/strong><\/h3><p data-start=\"1684\" data-end=\"1824\">Po zapojen\u00ed hardware, p\u0159ipojen\u00ed k poolu a nastaven\u00ed softwaru se do toho m\u016f\u017eete pustit. Software za\u010dne prov\u00e1d\u011bt v\u00fdpo\u010dty a zas\u00edlat v\u00fdsledky do poolu. Nezapome\u0148te sledovat teplotu za\u0159\u00edzen\u00ed, aby nedo\u0161lo k p\u0159eh\u0159\u00e1t\u00ed, a monitorujte v\u00fdkon a v\u00fdnosy p\u0159es dashboard poolu.<\/p><h4 data-start=\"1936\" data-end=\"1964\"><strong>Alternativa: Cloud mining<\/strong><\/h4><article class=\"text-token-text-primary w-full\" dir=\"auto\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\">\n<div class=\"text-base my-auto mx-auto py-5 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto flex max-w-(--thread-content-max-width) flex-1 text-base gap-4 md:gap-5 lg:gap-6 group\/turn-messages focus-visible:outline-hidden\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"relative flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&#038;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"22684485-5f72-414c-bf23-7027fcb1ca4b\" data-message-model-slug=\"gpt-4-1-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words dark\">\n<p data-start=\"0\" data-end=\"564\" data-is-last-node=\"\" data-is-only-node=\"\"><strong>Cloud mining znamen\u00e1 pron\u00e1jem v\u00fdpo\u010detn\u00edho v\u00fdkonu<\/strong> od specializovan\u00fdch firem, ani\u017e byste museli vlastnit vlastn\u00ed hardware. Hlavn\u00ed v\u00fdhodou je nulov\u00e1 starost o \u00fadr\u017ebu a provoz za\u0159\u00edzen\u00ed, co\u017e sni\u017euje po\u010d\u00e1te\u010dn\u00ed investici a technick\u00e9 n\u00e1roky.<\/p>\n<article class=\"text-token-text-primary w-full\" dir=\"auto\" data-testid=\"conversation-turn-6\" data-scroll-anchor=\"true\">\n<div class=\"text-base my-auto mx-auto py-5 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto flex max-w-(--thread-content-max-width) flex-1 text-base gap-4 md:gap-5 lg:gap-6 group\/turn-messages focus-visible:outline-hidden\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"relative flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&#038;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"f567b7c7-a8e9-446e-879b-cf735bedfb57\" data-message-model-slug=\"gpt-4-1-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words dark\">\n<p data-start=\"0\" data-end=\"330\" data-is-last-node=\"\" data-is-only-node=\"\">Na druhou stranu ziskovost b\u00fdv\u00e1 \u010dasto n\u00edzk\u00e1 kv\u016fli vysok\u00fdm poplatk\u016fm a probl\u00e9my v\u00e1m mohou zp\u016fsobit tak\u00e9 nedostate\u010dn\u011b transparentn\u00ed podm\u00ednky. \u0158ada nab\u00eddek na cloud mining je dnes bohu\u017eel podvodn\u00e1 a nemus\u00ed splnit to, co sl\u00edb\u00ed. Proto je p\u0159ed investic\u00ed nezbytn\u00e9 d\u016fkladn\u011b prov\u011b\u0159it spole\u010dnost, p\u0159e\u010d\u00edst si recenze a pe\u010dliv\u011b si proj\u00edt smluvn\u00ed podm\u00ednky.<\/p>\n<figure id=\"attachment_1570\" aria-describedby=\"caption-attachment-1570\" style=\"width: 712px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1570 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Cloud mining je alternativn\u00ed cestou, jak t\u011b\u017eit bitcoin.\" width=\"712\" height=\"373\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22165841\/1750611521-cloud-mining.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22165841\/1750611521-cloud-mining.jpg 1099w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22165841\/1750611521-cloud-mining-300x157.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22165841\/1750611521-cloud-mining-1024x536.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22165841\/1750611521-cloud-mining-768x402.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22165841\/1750611521-cloud-mining-450x235.jpg 450w\"><figcaption id=\"caption-attachment-1570\" class=\"wp-caption-text\">Cloud mining je alternativn\u00ed cestou, jak t\u011b\u017eit bitcoin. Zdroj: blockchain-council.org<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"flex min-h-[46px] justify-start\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article><h3 data-start=\"2310\" data-end=\"2397\">V\u00fdb\u011br hardware a nastaven\u00ed pro t\u011b\u017ebu<\/h3><h4 data-start=\"240\" data-end=\"261\"><strong>V\u00fdb\u011br ASIC mineru<\/strong><\/h4><p data-start=\"263\" data-end=\"563\">Pro efektivn\u00ed t\u011b\u017ebu bitcoinu je dnes prakticky nezbytn\u00e9 pou\u017e\u00edt specializovan\u00fd hardware. ASIC minery jsou navr\u017eeny v\u00fdhradn\u011b pro t\u011b\u017ebu kryptom\u011bn a nab\u00edz\u00ed mnohon\u00e1sobn\u011b vy\u0161\u0161\u00ed v\u00fdkon a energetickou efektivitu ne\u017e b\u011b\u017en\u00e9 po\u010d\u00edta\u010de nebo grafick\u00e9 karty.<\/p><p data-start=\"565\" data-end=\"837\">Jeden z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch model\u016f je <strong data-start=\"614\" data-end=\"638\">Bitmain Antminer S19<\/strong>. Tento t\u011b\u017ea\u0159 nab\u00edz\u00ed vysok\u00fd hash rate kolem 95 TH\/s (terahash za sekundu) a spot\u0159ebu energie kolem 3 250 W. D\u00edky tomu je jedn\u00edm z nejv\u00fdkonn\u011bj\u0161\u00edch a nejefektivn\u011bj\u0161\u00edch za\u0159\u00edzen\u00ed na trhu.<\/p><p data-start=\"839\" data-end=\"898\">P\u0159i v\u00fdb\u011bru ASICu je pot\u0159eba sledovat hlavn\u011b tyto parametry:<\/p><ul data-start=\"899\" data-end=\"1400\">\n<li data-start=\"899\" data-end=\"1019\">\n<p data-start=\"901\" data-end=\"1019\"><strong data-start=\"901\" data-end=\"915\">Hash rate:<\/strong> Ud\u00e1v\u00e1, kolik v\u00fdpo\u010dt\u016f za sekundu miner zvl\u00e1dne. Vy\u0161\u0161\u00ed je lep\u0161\u00ed, proto\u017ee zvy\u0161uje \u0161anci na vyt\u011b\u017een\u00ed bloku.<\/p>\n<\/li>\n<li data-start=\"899\" data-end=\"1019\">\n<p data-start=\"901\" data-end=\"1019\"><strong data-start=\"1022\" data-end=\"1043\">Spot\u0159eba energie:<\/strong> Ud\u00e1v\u00e1, kolik elekt\u0159iny za\u0159\u00edzen\u00ed spot\u0159ebuje. Efektivn\u00ed za\u0159\u00edzen\u00ed nab\u00edz\u00ed vysok\u00fd v\u00fdkon s co nejmen\u0161\u00ed spot\u0159ebou elekt\u0159iny, co\u017e v\u00fdrazn\u011b sni\u017euje n\u00e1klady na t\u011b\u017ebu.<\/p>\n<\/li>\n<li data-start=\"1149\" data-end=\"1274\">\n<p data-start=\"1151\" data-end=\"1274\"><strong data-start=\"1151\" data-end=\"1169\">Cena za\u0159\u00edzen\u00ed:<\/strong> Cena ASIC mineru se pohybuje od n\u011bkolika tis\u00edc korun za star\u0161\u00ed nebo m\u00e9n\u011b v\u00fdkonn\u00e9 modely a\u017e po des\u00edtky tis\u00edc za nejnov\u011bj\u0161\u00ed a nejv\u00fdkonn\u011bj\u0161\u00ed stroje. Bitmain Antminer S19 nap\u0159\u00edklad stoj\u00ed 30\u201360 tis\u00edc K\u010d nebo v\u00edce.<\/p>\n<\/li>\n<li data-start=\"1275\" data-end=\"1400\">\n<p data-start=\"1277\" data-end=\"1400\"><strong data-start=\"1277\" data-end=\"1301\">Dostupnost a z\u00e1ruka:<\/strong> Vzhledem k vysok\u00e9 popt\u00e1vce b\u00fdv\u00e1 dostupnost omezen\u00e1, proto je d\u016fle\u017eit\u00e9 vyb\u00edrat d\u016fv\u011bryhodn\u00e9 prodejce a ov\u011b\u0159it z\u00e1ru\u010dn\u00ed servis.<\/p>\n<\/li>\n<\/ul><figure id=\"attachment_1571\" aria-describedby=\"caption-attachment-1571\" style=\"width: 692px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1571 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Hashrate p\u0159edstavuje m\u00edru v\u00fdpo\u010detn\u00edho v\u00fdkonu za sekundu.\" width=\"692\" height=\"468\" sizes=\"auto, (max-width: 692px) 100vw, 692px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22170103\/1750611663-hash-rate.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22170103\/1750611663-hash-rate.png 742w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22170103\/1750611663-hash-rate-300x203.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22170103\/1750611663-hash-rate-450x304.png 450w\"><figcaption id=\"caption-attachment-1571\" class=\"wp-caption-text\">Hashrate p\u0159edstavuje m\u00edru v\u00fdpo\u010detn\u00edho v\u00fdkonu na sekundu. Zdroj: Investopedia<\/figcaption><\/figure><h4 data-start=\"1407\" data-end=\"1452\"><strong>Nastaven\u00ed ASIC mineru a p\u0159ipojen\u00ed k poolu<\/strong><\/h4><p data-start=\"1454\" data-end=\"1544\">Po zakoupen\u00ed ASICu je nutn\u00e9 ho spr\u00e1vn\u011b nastavit, aby mohl efektivn\u011b zpracov\u00e1vat transakce v s\u00edti a zajistit v\u00e1m v\u00fdnosy z t\u011b\u017eby. Postupujte n\u00e1sledovn\u011b:<\/p><ol data-start=\"1546\" data-end=\"2244\">\n<li data-start=\"1546\" data-end=\"1680\">\n<p data-start=\"1549\" data-end=\"1680\"><strong data-start=\"1549\" data-end=\"1584\">P\u0159ipojte za\u0159\u00edzen\u00ed k internetu:<\/strong> V\u011bt\u0161ina ASIC\u016f se p\u0159ipojuje p\u0159es Ethernetov\u00fd kabel k internetu, co\u017e zaji\u0161\u0165uje stabiln\u00ed a rychl\u00fd p\u0159enos dat.<\/p>\n<\/li>\n<li data-start=\"1681\" data-end=\"1842\">\n<p data-start=\"1684\" data-end=\"1842\"><strong data-start=\"1684\" data-end=\"1724\">Otev\u0159ete administra\u010dn\u00ed rozhran\u00ed: <\/strong>Otev\u0159ete webov\u00fd prohl\u00ed\u017ee\u010d, zadejte IP adresu za\u0159\u00edzen\u00ed a p\u0159ihlaste se do jeho administra\u010dn\u00edho rozhran\u00ed.<\/p>\n<\/li>\n<li data-start=\"1843\" data-end=\"2152\">\n<p data-start=\"1846\" data-end=\"1878\"><strong data-start=\"1846\" data-end=\"1876\">Nastavte t\u011b\u017eebn\u00ed pool:<\/strong><\/p>\n<ul data-start=\"1882\" data-end=\"2152\">\n<li data-start=\"1882\" data-end=\"2012\">\n<p data-start=\"1884\" data-end=\"2012\">V administra\u010dn\u00edm rozhran\u00ed nastavte adresu t\u011b\u017eebn\u00edho poolu (nap\u0159\u00edklad Slush Pool: stratum+tcp:\/\/stratum.slushpool.com:3333).<\/p>\n<\/li>\n<li data-start=\"1882\" data-end=\"2012\">\n<p data-start=\"1884\" data-end=\"2012\">Zadejte sv\u00e9 u\u017eivatelsk\u00e9 jm\u00e9no a pracovn\u00ed heslo (dle po\u017eadavk\u016f poolu).<\/p>\n<\/li>\n<li data-start=\"2093\" data-end=\"2152\">\n<p data-start=\"2095\" data-end=\"2152\">Pokud to pool umo\u017e\u0148uje, nastavte z\u00e1lo\u017en\u00ed servery pro p\u0159\u00edpad v\u00fdpadku hlavn\u00edho.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"2153\" data-end=\"2244\">\n<p data-start=\"2156\" data-end=\"2244\"><strong data-start=\"2156\" data-end=\"2172\">Za\u010dn\u011bte t\u011b\u017eit:<\/strong> Po spr\u00e1vn\u00e9m nastaven\u00ed za\u0159\u00edzen\u00ed za\u010dne pracovat a odes\u00edlat sv\u016fj v\u00fdpo\u010detn\u00ed v\u00fdkon a ov\u011b\u0159en\u00e9 transakce do poolu.<\/p>\n<\/li>\n<\/ol><h4 data-start=\"2251\" data-end=\"2300\"><strong>N\u00e1klady na elekt\u0159inu a jej\u00ed vliv na v\u00fdnosnost<\/strong><\/h4><p data-start=\"2302\" data-end=\"2451\">Elekt\u0159ina tvo\u0159\u00ed a\u017e <strong data-start=\"2321\" data-end=\"2356\">70 % celkov\u00fdch n\u00e1klad\u016f na t\u011b\u017ebu<\/strong>. Proto je velmi d\u016fle\u017eit\u00e9 zajistit si co nejlevn\u011bj\u0161\u00ed a nejstabiln\u011bj\u0161\u00ed zdroj elektrick\u00e9 energie.<\/p><p data-start=\"60\" data-end=\"252\">V \u010cesku dom\u00e1cnosti obvykle plat\u00ed za elekt\u0159inu kolem 4 a\u017e 5 K\u010d za kWh. Pr\u016fmyslov\u00e9 sazby v\u0161ak mohou b\u00fdt v\u00fdrazn\u011b ni\u017e\u0161\u00ed, \u010dasto v rozmez\u00ed 2 a\u017e 3 K\u010d za kWh, co\u017e m\u016f\u017ee v\u00fdrazn\u011b sn\u00ed\u017eit n\u00e1klady na t\u011b\u017ebu. Jak z\u00edskat levn\u011bj\u0161\u00ed elekt\u0159inu pro t\u011b\u017ebu?<\/p><ul data-start=\"899\" data-end=\"1400\">\n<li data-start=\"899\" data-end=\"1019\">\n<p data-start=\"901\" data-end=\"1019\"><strong data-start=\"308\" data-end=\"364\">Vyu\u017eijte pr\u016fmyslov\u00e9 nebo speci\u00e1ln\u00ed podnikov\u00e9 tarify:<\/strong> Pokud m\u00e1te mo\u017enost, zaregistrujte t\u011b\u017eebn\u00ed za\u0159\u00edzen\u00ed na podnikatelskou \u010dinnost a vyu\u017eijte v\u00fdhodn\u011bj\u0161\u00ed sazby.<\/p>\n<\/li>\n<li data-start=\"899\" data-end=\"1019\">\n<p data-start=\"901\" data-end=\"1019\"><strong data-start=\"474\" data-end=\"510\">Porovn\u00e1vejte nab\u00eddky dodavatel\u016f:<\/strong> Na trhu je mnoho dodavatel\u016f elekt\u0159iny, kte\u0159\u00ed nab\u00edzej\u00ed r\u016fzn\u00e9 tarify. Vyplat\u00ed se pravideln\u011b porovn\u00e1vat a p\u0159ej\u00edt k levn\u011bj\u0161\u00edmu.<\/p>\n<\/li>\n<li data-start=\"1149\" data-end=\"1274\">\n<p data-start=\"1151\" data-end=\"1274\"><strong data-start=\"638\" data-end=\"678\">Zva\u017ete vyu\u017eit\u00ed obnoviteln\u00fdch zdroj\u016f:<\/strong> Instalace sol\u00e1rn\u00edch panel\u016f m\u016f\u017ee sn\u00ed\u017eit n\u00e1klady na elekt\u0159inu, zejm\u00e9na b\u011bhem slune\u010dn\u00fdch dn\u00ed.<\/p>\n<\/li>\n<li data-start=\"1275\" data-end=\"1400\">\n<p data-start=\"1277\" data-end=\"1400\"><strong data-start=\"773\" data-end=\"805\">T\u011b\u017ete v dob\u011b levn\u011bj\u0161\u00edho tarifu:<\/strong> N\u011bkter\u00e9 tarify maj\u00ed rozd\u011blen\u00ed na denn\u00ed a no\u010dn\u00ed proud, kdy je elekt\u0159ina levn\u011bj\u0161\u00ed. Optimalizace t\u011b\u017eby na no\u010dn\u00ed hodiny m\u016f\u017ee u\u0161et\u0159it pen\u00edze.<\/p>\n<\/li>\n<\/ul><p data-start=\"2951\" data-end=\"2962\">Krom\u011b toho mus\u00edte po\u010d\u00edtat i s n\u00e1klady na chlazen\u00ed \u2013 ASICy produkuj\u00ed hodn\u011b tepla, zejm\u00e9na v hork\u00fdch m\u011bs\u00edc\u00edch.<\/p><p data-start=\"2951\" data-end=\"2962\"><\/p><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p data-start=\"2964\" data-end=\"3253\">P\u0159i v\u00fdb\u011bru a nastaven\u00ed ASIC mineru je pot\u0159eba br\u00e1t v potaz nejen v\u00fdkon za\u0159\u00edzen\u00ed, ale tak\u00e9 provozn\u00ed n\u00e1klady. P\u0159ipojen\u00ed k t\u011b\u017eebn\u00edmu poolu zase zajist\u00ed stabiln\u00ed a pravideln\u00fd p\u0159\u00edjem z t\u011b\u017eby. Bez t\u011bchto krok\u016f je t\u011b\u017eba bitcoinu ekonomicky nev\u00fdhodn\u00e1 a technicky extr\u00e9mn\u011b slo\u017eit\u00e1.<\/p>\n<p data-start=\"2964\" data-end=\"3253\"><\/p><\/div><\/div><h2 data-start=\"495\" data-end=\"520\"><span style=\"font-weight: 400\">Je mo\u017en\u00e9 t\u011b\u017eit bitcoin zdarma?<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"186\" data-end=\"405\">Jak t\u011b\u017eit bitcoin zdarma? A je to v\u016fbec mo\u017en\u00e9? Naprosto legitimn\u00ed ot\u00e1zka. Kr\u00e1tk\u00e1 odpov\u011b\u010f v\u0161ak zn\u00ed: <strong>Ne, t\u011b\u017eba bitcoinu zdarma je v roce 2025 naprost\u00fd m\u00fdtus<\/strong>. A\u010dkoli se na internetu st\u00e1le objevuj\u00ed n\u00e1vody a \u201ezaru\u010den\u00e9 tipy\u201c, jak za\u010d\u00edt t\u011b\u017eit bez jak\u00e9koli investice, realita je \u00fapln\u011b jinde.<\/p><h3 data-start=\"407\" data-end=\"434\">Pro\u010d t\u011b\u017eba n\u011bco stoj\u00ed?<\/h3><p data-start=\"436\" data-end=\"553\">T\u011b\u017eba bitcoinu je dnes vysoce konkuren\u010dn\u00ed a technologicky n\u00e1ro\u010dn\u00fd proces. Aby t\u011b\u017ea\u0159 mohl re\u00e1ln\u011b vyd\u011bl\u00e1vat, pot\u0159ebuje:<\/p><ul data-start=\"555\" data-end=\"807\">\n<li data-start=\"555\" data-end=\"646\">\n<p data-start=\"557\" data-end=\"646\"><strong data-start=\"557\" data-end=\"613\">specializovan\u00fd v\u00fdkonn\u00fd hardware (ASIC)<\/strong> \u2013 ten stoj\u00ed des\u00edtky tis\u00edc korun,<\/p>\n<\/li>\n<li data-start=\"647\" data-end=\"704\">\n<p data-start=\"649\" data-end=\"704\"><strong data-start=\"649\" data-end=\"703\">neust\u00e1l\u00e9 chlazen\u00ed a stabiln\u00ed p\u0159ipojen\u00ed k internetu<\/strong>,<\/p>\n<\/li>\n<li data-start=\"705\" data-end=\"807\">\n<p data-start=\"707\" data-end=\"807\">a p\u0159edev\u0161\u00edm <strong data-start=\"719\" data-end=\"739\">levnou elekt\u0159inu<\/strong>, proto\u017ee provoz ASIC mineru spot\u0159ebuje obrovsk\u00e9 mno\u017estv\u00ed energie.<\/p>\n<\/li>\n<\/ul><p data-start=\"133\" data-end=\"309\">Ve v\u011bt\u0161in\u011b dom\u00e1cnost\u00ed v \u010cesku se cena elekt\u0159iny pohybuje kolem <strong data-start=\"196\" data-end=\"230\">4\u20135 K\u010d za kilowatthodinu (kWh)<\/strong>. Na prvn\u00ed pohled to nemus\u00ed zn\u00edt tak dramaticky, ale u t\u011b\u017eby to hraje z\u00e1sadn\u00ed roli.<\/p><p data-start=\"311\" data-end=\"417\">Uva\u017eujme b\u011b\u017en\u00e9 ASIC za\u0159\u00edzen\u00ed s p\u0159\u00edkonem <strong data-start=\"356\" data-end=\"373\">3000 W (3 kW)<\/strong>, kter\u00e9 jede <strong data-start=\"386\" data-end=\"416\">nep\u0159etr\u017eit\u011b 24 hodin denn\u011b<\/strong>:<\/p><ul data-start=\"419\" data-end=\"567\">\n<li data-start=\"419\" data-end=\"461\">\n<p data-start=\"421\" data-end=\"461\">Denn\u00ed spot\u0159eba: <code data-start=\"437\" data-end=\"461\">3 kW \u00d7 24 hod = 72 kWh<\/code><\/p>\n<\/li>\n<li data-start=\"462\" data-end=\"510\">\n<p data-start=\"464\" data-end=\"510\">M\u011bs\u00ed\u010dn\u00ed spot\u0159eba: <code data-start=\"482\" data-end=\"510\">72 kWh \u00d7 30 dn\u00ed = 2 160 kWh<\/code><\/p>\n<\/li>\n<li data-start=\"511\" data-end=\"567\">\n<p data-start=\"513\" data-end=\"567\">M\u011bs\u00ed\u010dn\u00ed n\u00e1klady (p\u0159i 5 K\u010d\/kWh): <code data-start=\"545\" data-end=\"567\">2 160 \u00d7 5 = 10 800 K\u010d<\/code><\/p>\n<\/li>\n<\/ul><p data-start=\"569\" data-end=\"642\">V\u00fdsledek? Jen za elekt\u0159inu zaplat\u00edte m\u011bs\u00ed\u010dn\u011b t\u00e9m\u011b\u0159 11 tis\u00edc korun.<\/p><p data-start=\"644\" data-end=\"972\">A to je pouze provozn\u00ed n\u00e1klad \u2013 bez zapo\u010dten\u00ed po\u0159izovac\u00ed ceny za\u0159\u00edzen\u00ed, chlazen\u00ed a p\u0159ipojen\u00ed k internetu. Pro dom\u00e1cnosti je tedy <strong data-start=\"804\" data-end=\"859\">dlouhodob\u00e1 a v\u00fdd\u011ble\u010dn\u00e1 t\u011b\u017eba bitcoinu t\u00e9m\u011b\u0159 nemo\u017en\u00e1<\/strong>, pokud nemaj\u00ed p\u0159\u00edstup k levn\u011bj\u0161\u00ed energii (nap\u0159. pr\u016fmyslov\u00fd tarif, vlastn\u00ed fotovoltaika nebo t\u011b\u017eba v zahrani\u010d\u00ed).<\/p><figure id=\"attachment_1573\" aria-describedby=\"caption-attachment-1573\" style=\"width: 731px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1573 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Jak t\u011b\u017eit bitcoin zdarma? Kv\u016fli vysok\u00fdm n\u00e1klad\u016fm je to dnes nemo\u017en\u00e9.\" width=\"731\" height=\"409\" sizes=\"auto, (max-width: 731px) 100vw, 731px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22172123\/1750612882-bitcoin-free-mining.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22172123\/1750612882-bitcoin-free-mining.jpg 935w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22172123\/1750612882-bitcoin-free-mining-300x168.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22172123\/1750612882-bitcoin-free-mining-768x430.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22172123\/1750612882-bitcoin-free-mining-450x252.jpg 450w\"><figcaption id=\"caption-attachment-1573\" class=\"wp-caption-text\">Jak t\u011b\u017eit bitcoin zdarma? Kv\u016fli vysok\u00fdm n\u00e1klad\u016fm je to dnes nemo\u017en\u00e9. Zdroj: Binance Academy<\/figcaption><\/figure><h3 data-start=\"1093\" data-end=\"1119\">Dalo se n\u011bkdy t\u011b\u017eit zdarma?<\/h3><p data-start=\"1121\" data-end=\"1391\">Dnes u\u017e to zn\u00ed jako poh\u00e1dka, ale v <strong data-start=\"1156\" data-end=\"1204\">po\u010d\u00e1tc\u00edch bitcoinu \u2013 kolem roku 2010 a\u017e 2012<\/strong> \u2013 se dal bitcoin skute\u010dn\u011b t\u011b\u017eit i na b\u011b\u017en\u00e9m dom\u00e1c\u00edm po\u010d\u00edta\u010di. Tehdy k tomu sta\u010dila grafick\u00e1 karta nebo dokonce jen procesor. V\u00fdpo\u010detn\u00ed n\u00e1ro\u010dnost byla n\u00edzk\u00e1 a konkurence prakticky neexistuj\u00edc\u00ed.<\/p><p data-start=\"1393\" data-end=\"1720\">Nap\u0159\u00edklad v roce 2011 bylo mo\u017en\u00e9 z\u00edskat <strong>cel\u00fd BTC b\u011bhem n\u011bkolika hodin t\u011b\u017eby<\/strong>, p\u0159i\u010dem\u017e jeho tr\u017en\u00ed hodnota byla jen p\u00e1r dolar\u016f a n\u00e1klady byly minim\u00e1ln\u00ed. V\u011bt\u0161ina lid\u00ed si v\u0161ak tehdy neuv\u011bdomovala, jak\u00fd potenci\u00e1l bitcoin m\u00e1. Proto si dnes m\u00e1lokdo uv\u011bdomuje, \u017ee tehdej\u0161\u00ed t\u011b\u017eba skute\u010dn\u011b mohla b\u00fdt extr\u00e9mn\u011b v\u00fdhodn\u00e1 \u2013 i s b\u011b\u017en\u00fdm dom\u00e1c\u00edm po\u010d\u00edta\u010dem \u0161lo za p\u00e1r korun vyt\u011b\u017eit bitcoiny, kter\u00e9 dnes maj\u00ed mnohon\u00e1sobn\u011b vy\u0161\u0161\u00ed hodnotu.<\/p><figure id=\"attachment_1542\" aria-describedby=\"caption-attachment-1542\" style=\"width: 738px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1542 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Jak t\u011b\u017eit bitcoin zdarma. Historick\u00fd v\u00fdvoj ceny bitcoinu.\" width=\"738\" height=\"492\" sizes=\"auto, (max-width: 738px) 100vw, 738px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21082022\/1750494022-price-history-btc.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21082022\/1750494022-price-history-btc.jpg 921w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21082022\/1750494022-price-history-btc-300x200.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21082022\/1750494022-price-history-btc-768x512.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21082022\/1750494022-price-history-btc-450x300.jpg 450w\"><figcaption id=\"caption-attachment-1542\" class=\"wp-caption-text\">Historick\u00fd v\u00fdvoj ceny bitcoinu. Zdroj: Investopedia<\/figcaption><\/figure><h3 data-start=\"1722\" data-end=\"1752\">Co znamen\u00e1 \u201ezdarma\u201c dnes?<\/h3><p data-start=\"1754\" data-end=\"1930\">N\u011bkter\u00e9 slu\u017eby nebo aplikace tvrd\u00ed, \u017ee umo\u017e\u0148uj\u00ed \u201et\u011b\u017ebu zdarma\u201c \u2013 typicky na mobiln\u00edm telefonu nebo v prohl\u00ed\u017ee\u010di. Ve skute\u010dnosti ale nejde o t\u011b\u017ebu v prav\u00e9m smyslu, ale pouze o <strong data-start=\"1934\" data-end=\"1952\">simulaci t\u011b\u017eby<\/strong>, kdy u\u017eivatel sb\u00edr\u00e1 body nebo tokeny, ale \u017e\u00e1dn\u00e9 re\u00e1ln\u00e9 v\u00fdpo\u010dty neprob\u00edhaj\u00ed, nebo o <strong data-start=\"2035\" data-end=\"2062\">sd\u00edlen\u00fd v\u00fdpo\u010detn\u00ed v\u00fdkon<\/strong> v cloudov\u00fdch slu\u017eb\u00e1ch, kter\u00e9 jsou zdarma jen v omezen\u00e9 zku\u0161ebn\u00ed verzi, a n\u00e1sledn\u011b vy\u017eaduj\u00ed platbu nebo p\u0159edplatn\u00e9.<\/p><p data-start=\"2179\" data-end=\"2289\">Jin\u00fdmi slovy \u2013 <strong data-start=\"2193\" data-end=\"2288\">jakmile je v tom re\u00e1ln\u00fd bitcoin, v\u017edy jde o spot\u0159ebu elekt\u0159iny, v\u00fdpo\u010detn\u00ed v\u00fdkon a investice do hadrwaru<\/strong>.<\/p><p data-start=\"2305\" data-end=\"2747\">My\u0161lenka t\u011b\u017eby bitcoinu zdarma tedy zn\u00ed kr\u00e1sn\u011b, ale v roce 2025 u\u017e nen\u00ed realistick\u00e1. T\u011b\u017eba je dnes profesion\u00e1ln\u00ed odv\u011btv\u00ed, kde dominuj\u00ed velc\u00ed hr\u00e1\u010di s p\u0159\u00edstupem k levn\u00e9 elekt\u0159in\u011b a efektivn\u00edmu hardwaru. Pro b\u011b\u017en\u00e9ho u\u017eivatele bez startovn\u00edho kapit\u00e1lu a p\u0159\u00edstupu k levn\u00e9 energii je mnohem rozumn\u011bj\u0161\u00ed bitcoin koupit na burze nebo se zaj\u00edmat o jin\u00e9 zp\u016fsoby zapojen\u00ed do kryptom\u011bnov\u00e9ho sv\u011bta \u2013 nap\u0159\u00edklad p\u0159es lightning network nebo provoz full nodu.<\/p><h2 data-start=\"2305\" data-end=\"2747\"><span style=\"font-weight: 400\">T\u011b\u017eba bitcoinu a n\u00e1vratnost v roce 2025<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"215\" data-end=\"396\">T\u011b\u017eba bitcoinu v roce 2025 u\u017e nen\u00ed kon\u00ed\u010dek pro dom\u00e1c\u00ed bastl\u00ed\u0159e, ale vysoce konkuren\u010dn\u00ed pr\u016fmyslov\u00e1 \u010dinnost. Z\u00e1sadn\u00ed ot\u00e1zkou dnes nen\u00ed \u201ejak t\u011b\u017eit\u201c, ale<strong data-start=\"351\" data-end=\"395\"> zda se to v\u016fbec vyplat\u00ed<\/strong>.<\/p><p data-start=\"398\" data-end=\"781\">Hlavn\u00edmi n\u00e1kladov\u00fdmi polo\u017ekami jsou st\u00e1le <strong data-start=\"440\" data-end=\"452\">hardware<\/strong> a <strong data-start=\"455\" data-end=\"468\">elekt\u0159ina<\/strong>. Zat\u00edmco cena v\u00fdkonn\u00fdch ASIC za\u0159\u00edzen\u00ed se pohybuje od ni\u017e\u0161\u00edch des\u00edtek tis\u00edc a\u017e po stovky tis\u00edc korun, skute\u010dnou z\u00e1t\u011b\u017e\u00ed pro rozpo\u010det je <strong data-start=\"603\" data-end=\"624\">dlouhodob\u00fd provoz<\/strong>. Jak jsme si uk\u00e1zali v\u00fd\u0161e, provoz jednoho za\u0159\u00edzen\u00ed s p\u0159\u00edkonem 3 000 W m\u016f\u017ee p\u0159i dom\u00e1c\u00ed sazb\u011b znamenat v\u00fddaje v \u0159\u00e1du 10 000-12 000 K\u010d m\u011bs\u00ed\u010dn\u011b pouze za elekt\u0159inu.<\/p><h3 data-start=\"783\" data-end=\"827\"><strong>N\u00e1vratnost? Jen p\u0159i ide\u00e1ln\u00edch podm\u00ednk\u00e1ch<\/strong><\/h3><p data-start=\"829\" data-end=\"1053\">Blokov\u00e1 odm\u011bna po halvingu v roce 2024 klesla na <strong data-start=\"878\" data-end=\"891\">3,125 BTC<\/strong> za blok. Tato odm\u011bna se d\u00e1le d\u011bl\u00ed mezi t\u011b\u017ea\u0159e v poolu, a to v pom\u011bru k v\u00fdkonu, kter\u00fdm do poolu p\u0159isp\u00edvaj\u00ed. V\u00fdnos z t\u011b\u017eby tedy <strong data-start=\"1023\" data-end=\"1040\">nen\u00ed zaru\u010den\u00fd<\/strong> \u2013 z\u00e1vis\u00ed na:<\/p><ul data-start=\"1055\" data-end=\"1314\">\n<li data-start=\"1055\" data-end=\"1129\">\n<p data-start=\"1057\" data-end=\"1129\"><strong data-start=\"1057\" data-end=\"1089\">aktu\u00e1ln\u00ed tr\u017en\u00ed cen\u011b bitcoinu<\/strong> (\u010d\u00edm vy\u0161\u0161\u00ed, t\u00edm v\u011bt\u0161\u00ed potenci\u00e1l zisku),<\/p>\n<\/li>\n<li data-start=\"1130\" data-end=\"1229\">\n<p data-start=\"1132\" data-end=\"1229\"><strong data-start=\"1132\" data-end=\"1152\">obt\u00ed\u017enosti t\u011b\u017eby<\/strong> (kter\u00e1 se automaticky upravuje ka\u017ed\u00e9 dva t\u00fddny podle celkov\u00e9ho v\u00fdkonu s\u00edt\u011b),<\/p>\n<\/li>\n<li data-start=\"1230\" data-end=\"1314\">\n<p data-start=\"1232\" data-end=\"1314\"><strong data-start=\"1232\" data-end=\"1248\">cen\u011b energie<\/strong> (vysok\u00e9 ceny elekt\u0159iny mohou zisk srazit na nulu nebo poslat t\u011b\u017ea\u0159e do ztr\u00e1ty).<\/p>\n<\/li>\n<\/ul><p data-start=\"1316\" data-end=\"1574\">Pro b\u011b\u017en\u00e9ho \u010dlov\u011bka s tarifem pro dom\u00e1cnosti se t\u011b\u017eba <strong data-start=\"1376\" data-end=\"1400\">ekonomicky nevyplat\u00ed<\/strong>. N\u00e1vratnost investice do ASICu se bez v\u00fdhodn\u00fdch podm\u00ednek (n\u00edzk\u00e9 ceny elekt\u0159iny, levn\u00fd nebo dotovan\u00fd provoz) m\u016f\u017ee prot\u00e1hnout na n\u011bkolik let \u2013 pokud se j\u00ed v\u016fbec poda\u0159\u00ed dos\u00e1hnout.<\/p><h3 data-start=\"1576\" data-end=\"1607\"><strong>Pr\u016fmyslov\u00e9 farmy: jin\u00e1 liga<\/strong><\/h3><p data-start=\"1609\" data-end=\"1896\">Existuj\u00ed <strong data-start=\"1628\" data-end=\"1659\">profesion\u00e1ln\u00ed t\u011b\u017eebn\u00ed farmy<\/strong>, kter\u00e9 jsou \u010dasto um\u00edst\u011bn\u00e9 v zem\u00edch s levn\u011bj\u0161\u00ed elekt\u0159inou (nap\u0159. USA, Kanada, Kazachst\u00e1n, Irsko). Tyto provozy funguj\u00ed ve velk\u00e9m m\u011b\u0159\u00edtku, \u010dasto p\u0159\u00edmo u zdroje energie, a d\u00edky tomu si mohou dovolit <strong data-start=\"1847\" data-end=\"1894\">t\u011b\u017eit efektivn\u011bji a s men\u0161\u00edm rizikem ztr\u00e1ty<\/strong>.<\/p><p data-start=\"1898\" data-end=\"2191\">D\u00edky sdru\u017eov\u00e1n\u00ed do pool\u016f se v\u00fdnosy rozd\u011bluj\u00ed \u010dast\u011bji a plynuleji, co\u017e t\u011b\u017ea\u0159\u016fm pom\u00e1h\u00e1 udr\u017eovat stabiln\u011bj\u0161\u00ed p\u0159\u00edjem. P\u0159esto i v t\u011bchto podm\u00ednk\u00e1ch plat\u00ed, \u017ee t\u011b\u017eba dnes nen\u00ed \u017e\u00e1dn\u00e1 jistota zisku \u2013 sp\u00ed\u0161 <strong data-start=\"2104\" data-end=\"2137\">vysoce spekulativn\u00ed podnik\u00e1n\u00ed<\/strong>, kter\u00e9 siln\u011b z\u00e1vis\u00ed na budouc\u00edm v\u00fdvoji ceny bitcoinu.<\/p><figure id=\"attachment_1543\" aria-describedby=\"caption-attachment-1543\" style=\"width: 682px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1543 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"T\u011b\u017eba bitcoinu podle region\u016f (2024).\" width=\"682\" height=\"516\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21084209\/1750495329-btc-mining-by-country.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21084209\/1750495329-btc-mining-by-country.jpg 695w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21084209\/1750495329-btc-mining-by-country-300x227.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21084209\/1750495329-btc-mining-by-country-450x341.jpg 450w\"><figcaption id=\"caption-attachment-1543\" class=\"wp-caption-text\">T\u011b\u017eba bitcoinu podle region\u016f (2024). Zdroj: Crypto India<\/figcaption><\/figure><h2 data-start=\"1069\" data-end=\"1249\"><span style=\"font-weight: 400\">Jak vypo\u010d\u00edtat ziskovost t\u011b\u017eby bitcoinu?<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"106\" data-end=\"174\">Ziskovost t\u011b\u017eby bitcoinu se d\u00e1 jednodu\u0161e vyj\u00e1d\u0159it z\u00e1kladn\u00edm vzorcem zisk = p\u0159\u00edjmy &#8211; n\u00e1klady, kde:<\/p><ul data-start=\"210\" data-end=\"535\">\n<li data-start=\"210\" data-end=\"377\">\n<p data-start=\"212\" data-end=\"377\"><strong data-start=\"212\" data-end=\"222\">p\u0159\u00edjmy<\/strong> tvo\u0159\u00ed hlavn\u011b <strong data-start=\"236\" data-end=\"254\">blokov\u00e1 odm\u011bna<\/strong> (nov\u011b vytvo\u0159en\u00e9 bitcoiny za ka\u017ed\u00fd vy\u0159e\u0161en\u00fd blok) plus transak\u010dn\u00ed poplatky, kter\u00e9 t\u011b\u017ea\u0159 z\u00edsk\u00e1 za ov\u011b\u0159en\u00ed transakc\u00ed v bloku.<\/p>\n<\/li>\n<li data-start=\"378\" data-end=\"535\">\n<p data-start=\"380\" data-end=\"535\"><strong data-start=\"380\" data-end=\"391\">n\u00e1klady<\/strong> zahrnuj\u00ed p\u0159edev\u0161\u00edm <strong data-start=\"411\" data-end=\"424\">elekt\u0159inu<\/strong>, kterou t\u011b\u017ea\u0159 spot\u0159ebuje na provoz sv\u00e9ho za\u0159\u00edzen\u00ed, a tak\u00e9 amortizaci a po\u0159izovac\u00ed cenu hardwaru (ASIC mineru).<\/p>\n<\/li>\n<\/ul><h3 data-start=\"542\" data-end=\"561\">P\u0159\u00edklad v\u00fdpo\u010dtu<\/h3><p data-start=\"563\" data-end=\"694\">P\u0159edstavme si, \u017ee t\u011b\u017ea\u0159 pou\u017e\u00edv\u00e1 za\u0159\u00edzen\u00ed <strong data-start=\"614\" data-end=\"630\">Antminer S19<\/strong> s p\u0159\u00edkonem p\u0159ibli\u017en\u011b <strong data-start=\"652\" data-end=\"663\">3 000 W<\/strong> a t\u011b\u017e\u00ed v ide\u00e1ln\u00edch podm\u00ednk\u00e1ch.<\/p><ul data-start=\"696\" data-end=\"906\">\n<li data-start=\"696\" data-end=\"728\">\n<p data-start=\"698\" data-end=\"728\">Cena elekt\u0159iny: <strong data-start=\"714\" data-end=\"726\">2 K\u010d\/kWh<\/strong><\/p>\n<\/li>\n<li data-start=\"696\" data-end=\"728\">\n<p data-start=\"698\" data-end=\"728\">Cena bitcoinu: <strong data-start=\"746\" data-end=\"766\">1 500 000 K\u010d\/BTC<\/strong><\/p>\n<\/li>\n<li data-start=\"769\" data-end=\"837\">\n<p data-start=\"771\" data-end=\"837\">M\u011bs\u00ed\u010dn\u00ed spot\u0159eba elekt\u0159iny:<br data-start=\"798\" data-end=\"801\">3 kW \u00d7 24 h \u00d7 30 dn\u00ed = 2 160 kWh<\/p>\n<\/li>\n<li data-start=\"838\" data-end=\"906\">\n<p data-start=\"840\" data-end=\"906\">N\u00e1klady na elekt\u0159inu za m\u011bs\u00edc:<br data-start=\"870\" data-end=\"873\">2 160 kWh \u00d7 2 K\u010d = <strong data-start=\"894\" data-end=\"906\">4 320 K\u010d<\/strong><\/p>\n<\/li>\n<\/ul><p data-start=\"908\" data-end=\"1022\">Pokud za\u0159\u00edzen\u00ed dok\u00e1\u017ee za m\u011bs\u00edc vyt\u011b\u017eit bitcoiny a z\u00edskat poplatky v hodnot\u011b cca <strong data-start=\"981\" data-end=\"994\">14 000 K\u010d<\/strong>, pak je \u010dist\u00fd m\u011bs\u00ed\u010dn\u00ed zisk n\u00e1sleduj\u00edc\u00ed:<\/p><p data-start=\"1024\" data-end=\"1080\">14 000 K\u010d (p\u0159\u00edjmy) \u2013 4 320 K\u010d (elekt\u0159ina) = <strong data-start=\"1068\" data-end=\"1080\">9 680 K\u010d<\/strong><\/p><h3 data-start=\"1087\" data-end=\"1110\">D\u016fle\u017eit\u00e9 upozorn\u011bn\u00ed<\/h3><p data-start=\"43\" data-end=\"822\">Tento v\u00fdpo\u010det je velmi zjednodu\u0161en\u00fd a plat\u00ed pouze za ide\u00e1ln\u00edch podm\u00ednek. Skute\u010dn\u00fd zisk z t\u011b\u017eby bitcoinu z\u00e1vis\u00ed na cel\u00e9 \u0159ad\u011b faktor\u016f, kter\u00e9 mohou v\u00fdsledky v\u00fdrazn\u011b ovlivnit \u2013 obt\u00ed\u017enost t\u011b\u017eby, kter\u00e1 postupn\u011b zvy\u0161uje, aktu\u00e1ln\u00ed cena bitcoinu, kter\u00e1 je velmi volatiln\u00ed, d\u00e1le efektivita a spolehlivost t\u011b\u017eebn\u00edho za\u0159\u00edzen\u00ed, mo\u017en\u00e9 v\u00fdpadky nebo n\u00e1klady spojen\u00e9 s chlazen\u00edm.<\/p><p data-start=\"43\" data-end=\"822\">Nem\u00e9n\u011b d\u016fle\u017eit\u00e9 jsou tak\u00e9 po\u0159izovac\u00ed n\u00e1klady na hardware a jeho \u017eivotnost, stejn\u011b jako poplatky za p\u0159ipojen\u00ed k t\u011b\u017eebn\u00edmu poolu, kter\u00e9 mohou sni\u017eovat celkov\u00fd zisk. Proto je dobr\u00fd n\u00e1pad pou\u017e\u00edvat specializovan\u00e9 online kalkula\u010dky ziskovosti t\u011b\u017eby (nap\u0159. na nicehash.com), kter\u00e9 zohled\u0148uj\u00ed v\u0161echny tyto prom\u011bnn\u00e9 a dok\u00e1\u017eou nab\u00eddnout p\u0159esn\u011bj\u0161\u00ed a realisti\u010dt\u011bj\u0161\u00ed odhad v\u00fdd\u011blku.<\/p><figure id=\"attachment_1574\" aria-describedby=\"caption-attachment-1574\" style=\"width: 696px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1574 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Kalkula\u010dka ziskovosti t\u011b\u017eby bitcoinu.\" width=\"696\" height=\"278\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22173746\/1750613866-bitcoin-mining-calculator.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22173746\/1750613866-bitcoin-mining-calculator.png 1236w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22173746\/1750613866-bitcoin-mining-calculator-300x120.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22173746\/1750613866-bitcoin-mining-calculator-1024x409.png 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22173746\/1750613866-bitcoin-mining-calculator-768x307.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22173746\/1750613866-bitcoin-mining-calculator-450x180.png 450w\"><figcaption id=\"caption-attachment-1574\" class=\"wp-caption-text\">Kalkula\u010dka ziskovosti t\u011b\u017eby. Zdroj: nicehash.com<\/figcaption><\/figure><h3 data-start=\"43\" data-end=\"822\"><span style=\"font-weight: 400\">Faktory ovliv\u0148uj\u00edc\u00ed ziskovost t\u011b\u017eby<\/span><\/h3><p data-start=\"0\" data-end=\"640\">Jedn\u00edm z t\u011bch nejd\u016fle\u017eit\u011bj\u0161\u00edch faktor\u016f, kter\u00e9 je t\u0159eba zv\u00e1\u017eit, je <strong data-start=\"194\" data-end=\"222\">rostouc\u00ed obt\u00ed\u017enost t\u011b\u017eby<\/strong>. P\u0159edstavuje, jak n\u00e1ro\u010dn\u00e9 je naj\u00edt nov\u00fd blok a je p\u0159\u00edmo propojena s v\u00fdpo\u010detn\u00edm v\u00fdkonem cel\u00e9 s\u00edt\u011b. V leto\u0161n\u00edm roce dosahuje obt\u00ed\u017enost t\u011b\u017eby rekordn\u00edch hodnot \u2013 k \u00fasp\u011bchu je pot\u0159eba st\u00e1le v\u00edc v\u00fdpo\u010detn\u00edho v\u00fdkonu a energie. R\u016fst obt\u00ed\u017enosti je nav\u00edc dynamick\u00fd a reaguje na po\u010det aktivn\u00edch t\u011b\u017ea\u0159\u016f \u2013 \u010d\u00edm v\u00edce v\u00fdkonn\u00fdch za\u0159\u00edzen\u00ed je zapojeno, t\u00edm vy\u0161\u0161\u00ed obt\u00ed\u017enost syst\u00e9m nastav\u00ed.<\/p><p data-start=\"642\" data-end=\"1065\">Dal\u0161\u00edm z\u00e1sadn\u00edm faktorem je <strong data-start=\"670\" data-end=\"696\">kol\u00eds\u00e1n\u00ed ceny bitcoinu<\/strong>. Bitcoin je zn\u00e1m\u00fd svou vysokou volatilitou, tedy rychl\u00fdmi a v\u00fdrazn\u00fdmi zm\u011bnami ceny. To p\u0159\u00edmo ovliv\u0148uje ziskovost t\u011b\u017eby \u2013 p\u0159i vysok\u00fdch cen\u00e1ch BTC maj\u00ed t\u011b\u017ea\u0159i v\u011bt\u0161\u00ed motivaci, proto\u017ee odm\u011bna v BTC m\u00e1 v\u011bt\u0161\u00ed hodnotu v re\u00e1ln\u00fdch pen\u011bz\u00edch. Naopak pokles ceny m\u016f\u017ee n\u011bkter\u00e9 t\u011b\u017ea\u0159e znev\u00fdhodnit, zejm\u00e9na pokud jejich n\u00e1klady na elekt\u0159inu a provoz p\u0159evy\u0161uj\u00ed p\u0159\u00edjmy z t\u011b\u017eby.<\/p><p data-start=\"1067\" data-end=\"1559\">Nem\u00e9n\u011b d\u016fle\u017eit\u00fd je tak\u00e9 <strong data-start=\"1091\" data-end=\"1102\">halving<\/strong>, co\u017e je ud\u00e1lost, kter\u00e1 se v bitcoinov\u00e9 s\u00edti d\u011bje p\u0159ibli\u017en\u011b ka\u017ed\u00e9 \u010dty\u0159i roky a znamen\u00e1 sn\u00ed\u017een\u00ed odm\u011bny za vyt\u011b\u017een\u00fd blok na polovinu. Posledn\u00ed halving prob\u011bhl v roce 2024 a dal\u0161\u00ed se o\u010dek\u00e1v\u00e1 v roce 2028, kdy se odm\u011bna sn\u00ed\u017e\u00ed <strong>z aktu\u00e1ln\u00edch 3,125 BTC na 1,5625 BTC<\/strong>. Tento mechanismus slou\u017e\u00ed k postupn\u00e9mu sni\u017eov\u00e1n\u00ed nab\u00eddky nov\u00fdch bitcoin\u016f a m\u00e1 z\u00e1sadn\u00ed dopad na ekonomiku t\u011b\u017eby \u2013 i kdy\u017e sni\u017euje p\u0159\u00edjmy t\u011b\u017ea\u0159\u016f, z\u00e1rove\u0148 udr\u017euje celkovou inflaci bitcoinu pod kontrolou.<\/p><figure id=\"attachment_1575\" aria-describedby=\"caption-attachment-1575\" style=\"width: 430px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1575 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"T\u011b\u017eba bitcoinu. Halvingy bitcoinu v n\u00e1sleduj\u00edc\u00edch letech.\" width=\"430\" height=\"781\" sizes=\"auto, (max-width: 430px) 100vw, 430px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174052\/1750614052-bitcoin-halving-estimates.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174052\/1750614052-bitcoin-halving-estimates.jpg 454w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174052\/1750614052-bitcoin-halving-estimates-165x300.jpg 165w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174052\/1750614052-bitcoin-halving-estimates-450x818.jpg 450w\"><figcaption id=\"caption-attachment-1575\" class=\"wp-caption-text\">Halvingy v n\u00e1sleduj\u00edc\u00edch letech. Zdroj: Altcoin Daily<\/figcaption><\/figure><p data-start=\"1561\" data-end=\"1991\"><span data-start=\"1619\" data-end=\"1643\">N<\/span><strong data-start=\"1619\" data-end=\"1643\">\u00e1klady na elekt\u0159inu <\/strong>jsme si podrobn\u011b popsali v\u00fd\u0161e. T\u011b\u017ea\u0159i v zem\u00edch s vy\u0161\u0161\u00ed cenou elekt\u0159iny (v\u011bt\u0161ina Evropy) jsou oproti t\u011b\u017ea\u0159\u016fm v zem\u00edch s levn\u011bj\u0161\u00ed elekt\u0159inou jako USA nebo Kazachst\u00e1n v nev\u00fdhod\u011b. Elekt\u0159ina tvo\u0159\u00ed a\u017e 70 % celkov\u00fdch provozn\u00edch n\u00e1klad\u016f t\u011b\u017eby \u2013 kl\u00ed\u010dov\u00e9 je naj\u00edt co nejlevn\u011bj\u0161\u00ed a z\u00e1rove\u0148 spolehliv\u00fd zdroj energie.<\/p><p data-start=\"1993\" data-end=\"2332\" data-is-last-node=\"\" data-is-only-node=\"\">V\u0161echny tyto faktory je t\u0159eba pe\u010dliv\u011b zv\u00e1\u017eit, proto\u017ee se vz\u00e1jemn\u011b ovliv\u0148uj\u00ed a jejich kombinace rozhoduje, zda je t\u011b\u017eba v konkr\u00e9tn\u00edm m\u00edst\u011b a \u010dase ekonomicky v\u00fdhodn\u00e1.<\/p><h2 data-start=\"1993\" data-end=\"2332\"><span style=\"font-weight: 400\">Rizika a v\u00fdzvy spojen\u00e9 s t\u011b\u017ebou bitcoinu<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"0\" data-end=\"266\">Pustit se do t\u011b\u017eby bitcoinu nen\u00ed bez rizika. P\u0159esto\u017ee se m\u016f\u017ee na prvn\u00ed pohled jevit jako atraktivn\u00ed zp\u016fsob, jak z\u00edskat kryptom\u011bnu bez jej\u00edho n\u00e1kupu, re\u00e1ln\u00e1 situace v roce 2025 je daleko slo\u017eit\u011bj\u0161\u00ed a pln\u00e1 v\u00fdzev \u2013 technick\u00fdch, ekonomick\u00fdch i legislativn\u00edch.<\/p><ul data-start=\"899\" data-end=\"1400\">\n<li data-start=\"899\" data-end=\"1019\">\n<p data-start=\"901\" data-end=\"1019\"><strong data-start=\"268\" data-end=\"296\">Vysok\u00e9 po\u010d\u00e1te\u010dn\u00ed n\u00e1klady: <\/strong>Jedn\u00edm z hlavn\u00edch rizik jsou investice do t\u011b\u017eebn\u00edho vybaven\u00ed. Modern\u00ed ASIC minery nejsou levnou hra\u010dkou a k tomu je t\u0159eba p\u0159ipo\u010d\u00edtat i n\u00e1klady na chlazen\u00ed, stabiln\u00ed p\u0159ipojen\u00ed k internetu a kvalitn\u00ed nap\u00e1jec\u00ed infrastrukturu. N\u00e1vratnost investice nav\u00edc nen\u00ed v\u016fbec jist\u00e1 \u2013 z\u00e1vis\u00ed na spoust\u011b prom\u011bnn\u00fdch, kter\u00e9 u\u017eivatel nem\u00e1 pln\u011b pod kontrolou.<\/p>\n<\/li>\n<li data-start=\"899\" data-end=\"1019\">\n<p data-start=\"901\" data-end=\"1019\"><strong data-start=\"736\" data-end=\"760\">Zastar\u00e1v\u00e1n\u00ed hardwaru: <\/strong>T\u011b\u017eebn\u00ed za\u0159\u00edzen\u00ed zastar\u00e1vaj\u00ed pom\u011brn\u011b rychle. Nov\u011bj\u0161\u00ed modely b\u00fdvaj\u00ed \u00fasporn\u011bj\u0161\u00ed a v\u00fdkonn\u011bj\u0161\u00ed a vytla\u010duj\u00ed star\u0161\u00ed stroje ze hry. Pokud tedy t\u011b\u017ea\u0159 po\u0159\u00edd\u00ed drah\u00e9 za\u0159\u00edzen\u00ed a cena bitcoinu nebo odm\u011bny za t\u011b\u017ebu v\u00fdrazn\u011b klesnou, investice se nemus\u00ed nikdy vr\u00e1tit. U star\u0161\u00edch model\u016f se \u010dasto st\u00e1v\u00e1, \u017ee po dvou a\u017e t\u0159ech letech u\u017e nevyd\u011bl\u00e1vaj\u00ed v\u016fbec nic, a t\u011b\u017ea\u0159i je bu\u010f prod\u00e1vaj\u00ed se ztr\u00e1tou nebo \u00fapln\u011b odstavuj\u00ed.<\/p>\n<\/li>\n<li data-start=\"1149\" data-end=\"1274\">\n<p data-start=\"1151\" data-end=\"1274\"><strong data-start=\"1177\" data-end=\"1198\">Ekologick\u00e9 dopady: <\/strong>T\u011b\u017eba bitcoinu je zn\u00e1m\u00e1 svou vysokou spot\u0159ebou energie. Celosv\u011btov\u011b bitcoinov\u00e1 s\u00ed\u0165 spot\u0159ebuje v\u00edce elekt\u0159iny ne\u017e n\u011bkter\u00e9 men\u0161\u00ed st\u00e1ty. Pokud t\u011b\u017ea\u0159 nem\u00e1 p\u0159\u00edstup k obnoviteln\u00fdm zdroj\u016fm, jeho \u010dinnost v\u00fdrazn\u011b zat\u011b\u017euje \u017eivotn\u00ed prost\u0159ed\u00ed. Tento probl\u00e9m je \u010dasto kritizov\u00e1n ve\u0159ejnost\u00ed i regula\u010dn\u00edmi org\u00e1ny.<\/p>\n<\/li>\n<li data-start=\"1275\" data-end=\"1400\">\n<p data-start=\"1277\" data-end=\"1400\"><strong data-start=\"1536\" data-end=\"1558\">Regulatorn\u00ed rizika: <\/strong>Krom\u011b ekonomick\u00fdch a technick\u00fdch v\u00fdzev hraj\u00ed v\u00fdznamnou roli i z\u00e1kony. N\u011bkter\u00e9 zem\u011b \u2013 nap\u0159\u00edklad \u010c\u00edna \u2013 t\u011b\u017ebu kryptom\u011bn p\u0159\u00edmo zak\u00e1zaly kv\u016fli obav\u00e1m z energetick\u00e9 n\u00e1ro\u010dnosti, bezpe\u010dnosti a nekontrolovateln\u00e9ho pohybu pen\u011bz. I v jin\u00fdch \u010d\u00e1stech sv\u011bta, v\u010detn\u011b Evropy, se v sou\u010dasnosti vedou diskuze o omezen\u00edch nebo zdan\u011bn\u00ed kryptom\u011bnov\u00fdch aktivit. Pro t\u011b\u017ea\u0159e to znamen\u00e1 nejistotu \u2013 nest\u00e1l\u00e9 prost\u0159ed\u00ed, kter\u00e9 se m\u016f\u017ee velmi rychle zm\u011bnit.<\/p>\n<\/li>\n<\/ul><figure id=\"attachment_1576\" aria-describedby=\"caption-attachment-1576\" style=\"width: 771px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1576  lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Rizika spojen\u00e1 s t\u011b\u017ebou bitcoinu.\" width=\"771\" height=\"402\" sizes=\"auto, (max-width: 771px) 100vw, 771px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174713\/1750614432-bitcoin-mining-risks.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174713\/1750614432-bitcoin-mining-risks.jpg 1383w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174713\/1750614432-bitcoin-mining-risks-300x156.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174713\/1750614432-bitcoin-mining-risks-1024x533.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174713\/1750614432-bitcoin-mining-risks-768x400.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/22174713\/1750614432-bitcoin-mining-risks-450x234.jpg 450w\"><figcaption id=\"caption-attachment-1576\" class=\"wp-caption-text\">Rizika spojen\u00e1 s t\u011b\u017ebou bitcoinu. Zdroj: fastercapital.com<\/figcaption><\/figure><h3 data-start=\"1969\" data-end=\"2205\">Ekologick\u00e9 dopady t\u011b\u017eby bitcoinu<\/h3><p data-start=\"0\" data-end=\"244\">T\u011b\u017eba bitcoinu je \u010dasto ter\u010dem kritiky kv\u016fli sv\u00e9mu dopadu na \u017eivotn\u00ed prost\u0159ed\u00ed \u2013 nutno \u0159\u00edct, \u017ee opr\u00e1vn\u011bn\u011b. Aby mohla s\u00ed\u0165 bezpe\u010dn\u011b fungovat, pot\u0159ebuje obrovsk\u00e9 mno\u017estv\u00ed v\u00fdpo\u010detn\u00edho v\u00fdkonu, kter\u00fd se prom\u00edt\u00e1 do vysok\u00e9 spot\u0159eby elektrick\u00e9 energie.<\/p><h4 data-start=\"246\" data-end=\"290\"><strong>Kolik energie bitcoinov\u00e1 s\u00ed\u0165 spot\u0159ebuje?<\/strong><\/h4><p data-start=\"292\" data-end=\"637\">Podle <strong data-start=\"298\" data-end=\"357\">Cambridge Bitcoin Electricity Consumption Index (CBECI)<\/strong> spot\u0159ebuje bitcoinov\u00e1 s\u00ed\u0165 p\u0159es <strong data-start=\"401\" data-end=\"428\">150 terawatthodin (TWh)<\/strong> ro\u010dn\u011b. Pro srovn\u00e1n\u00ed \u2013 to je v\u00edc ne\u017e ro\u010dn\u00ed spot\u0159eba elekt\u0159iny v n\u011bkter\u00fdch st\u00e1tech, jako nap\u0159. Argentina nebo Nizozemsko.<\/p><p data-start=\"292\" data-end=\"637\">Vysok\u00e1 spot\u0159eba vych\u00e1z\u00ed z principu <strong data-start=\"672\" data-end=\"689\">Proof-of-Work<\/strong>, kde t\u011b\u017ea\u0159i po cel\u00e9m sv\u011bt\u011b \u0159e\u0161\u00ed v\u00fdpo\u010detn\u011b n\u00e1ro\u010dn\u00e9 \u00falohy, aby ov\u011b\u0159ili transakce a mohli p\u0159idat nov\u00fd blok do blockchainu. Miliony pokus\u016f ka\u017edou sekundu znamenaj\u00ed nejen obrovsk\u00e9 mno\u017estv\u00ed v\u00fdpo\u010dt\u016f \u2013 ka\u017ed\u00e9 za\u0159\u00edzen\u00ed p\u0159itom generuje velk\u00e9 mno\u017estv\u00ed tepla, kter\u00e9 je nutn\u00e9 <strong data-start=\"350\" data-end=\"379\">aktivn\u011b odv\u00e1d\u011bt a chladit<\/strong>, co\u017e spot\u0159ebu energie d\u00e1le zvy\u0161uje \u2013 zejm\u00e9na ve v\u011bt\u0161\u00edch t\u011b\u017eebn\u00edch provozech, kde chlazen\u00ed tvo\u0159\u00ed nezanedbatelnou \u010d\u00e1st celkov\u00fdch n\u00e1klad\u016f.<\/p><h4 data-start=\"975\" data-end=\"1019\"><strong>P\u0159echod na obnoviteln\u00e9 zdroje? Ano, ale\u2026<\/strong><\/h4><p data-start=\"120\" data-end=\"821\">V reakci na rostouc\u00ed kritiku <strong>se \u010d\u00e1st t\u011b\u017ea\u0159\u016f sna\u017e\u00ed o ekologi\u010dt\u011bj\u0161\u00ed provoz<\/strong>. Nov\u00e9 t\u011b\u017eebn\u00ed farmy vznikaj\u00ed <strong>na Islandu, v Kanad\u011b nebo v n\u011bkter\u00fdch \u010d\u00e1stech USA<\/strong>, kde je dostupn\u00e1 vodn\u00ed, v\u011btrn\u00e1 nebo geoterm\u00e1ln\u00ed energie. P\u0159esto v\u0161ak t\u011b\u017eba bitcoinu z\u016fst\u00e1v\u00e1 z velk\u00e9 \u010d\u00e1sti z\u00e1visl\u00e1 na fosiln\u00edch palivech.<\/p><p data-start=\"120\" data-end=\"821\">Podle \u00fadaj\u016f United Nations University tvo\u0159\u00ed uhl\u00ed a zemn\u00ed plyn dohromady a\u017e 66\u202f% glob\u00e1ln\u00edho energetick\u00e9ho mixu t\u011b\u017eby. Obnoviteln\u00e9 zdroje \u2013 vodn\u00ed, v\u011btrn\u00e1 a sol\u00e1rn\u00ed energie \u2013 pokr\u00fdvaj\u00ed p\u0159ibli\u017en\u011b jen \u010dtvrtinu celkov\u00e9 spot\u0159eby. <a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/jak-funguje-tezba-kryptomen\/\">T\u011b\u017eba kryptom\u011bn<\/a> z\u016fst\u00e1v\u00e1 koncentrovan\u00e1 zejm\u00e9na v regionech s n\u00edzk\u00fdmi n\u00e1klady na energii a slab\u0161\u00edmi regula\u010dn\u00edmi z\u00e1sahy, jako je Kazachst\u00e1n nebo n\u011bkter\u00e9 \u010d\u00e1sti USA, kde st\u00e1le p\u0159evl\u00e1d\u00e1 v\u00fdroba elekt\u0159iny z fosiln\u00edch paliv.<\/p><figure id=\"attachment_1545\" aria-describedby=\"caption-attachment-1545\" style=\"width: 618px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1545 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Glob\u00e1ln\u00ed vyu\u017e\u00edv\u00e1n\u00ed zdroj\u016f energie k t\u011b\u017eb\u011b bitcoinu.\" width=\"618\" height=\"381\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21094859\/1750499339-btc-mining-energy-supply-mix.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21094859\/1750499339-btc-mining-energy-supply-mix.png 618w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21094859\/1750499339-btc-mining-energy-supply-mix-300x185.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21094859\/1750499339-btc-mining-energy-supply-mix-450x277.png 450w\"><figcaption id=\"caption-attachment-1545\" class=\"wp-caption-text\">Glob\u00e1ln\u00ed vyu\u017e\u00edv\u00e1n\u00ed zdroj\u016f energie k t\u011b\u017eb\u011b bitcoinu. Zdroj: United Nations University<\/figcaption><\/figure><p data-start=\"1530\" data-end=\"1847\">Nav\u00edc \u2013 i kdy\u017e t\u011b\u017ea\u0159 vyu\u017e\u00edv\u00e1 obnoviteln\u00e9 zdroje, spot\u0159ebov\u00e1v\u00e1 <strong data-start=\"1591\" data-end=\"1639\">energii, kter\u00e1 by mohla slou\u017eit jin\u00e9mu \u00fa\u010delu<\/strong>, nap\u0159\u00edklad dom\u00e1cnostem nebo pr\u016fmyslu. Kritici tak\u00e9 upozor\u0148uj\u00ed, \u017ee rostouc\u00ed popt\u00e1vka po \u010dist\u00e9 energii ze strany kryptom\u011bnov\u00e9ho pr\u016fmyslu m\u016f\u017ee <strong data-start=\"1780\" data-end=\"1824\">naru\u0161it rozvoj energetick\u00e9 sob\u011bsta\u010dnosti<\/strong> v n\u011bkter\u00fdch regionech sv\u011bta.<\/p><h4 data-start=\"1849\" data-end=\"1871\"><strong>Ot\u00e1zka budoucnosti<\/strong><\/h4><p data-start=\"1873\" data-end=\"2292\">Ekologick\u00e9 dopady t\u011b\u017eby z\u016fst\u00e1vaj\u00ed z\u00e1sadn\u00edm t\u00e9matem a pravd\u011bpodobn\u011b se o nich bude v dal\u0161\u00edch letech diskutovat je\u0161t\u011b intenzivn\u011bji \u2013 mezi odbornou ve\u0159ejnost\u00ed i z\u00e1konod\u00e1rci. N\u011bkter\u00e9 alternativn\u00ed kryptom\u011bny u\u017e p\u0159e\u0161ly na jin\u00e9 typy protokol\u016f, nap\u0159. <strong data-start=\"2116\" data-end=\"2140\">Proof-of-Stake (PoS)<\/strong>, kter\u00fd je energeticky mnohem m\u00e9n\u011b n\u00e1ro\u010dn\u00fd. Bitcoin se ale zat\u00edm dr\u017e\u00ed sv\u00e9ho p\u016fvodn\u00edho modelu \u2013 a s n\u00edm i v\u0161ech energetick\u00fdch n\u00e1rok\u016f, kter\u00e9 s sebou nese.<\/p><figure id=\"attachment_1547\" aria-describedby=\"caption-attachment-1547\" style=\"width: 678px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1547 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Jak prob\u00edh\u00e1 t\u011b\u017eba bitcoinu. Proof of Work vs. Proof of Stake.\" width=\"678\" height=\"437\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21100036\/1750500036-proof-of-work-vs-proof-of-stake.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21100036\/1750500036-proof-of-work-vs-proof-of-stake.png 1042w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21100036\/1750500036-proof-of-work-vs-proof-of-stake-300x193.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21100036\/1750500036-proof-of-work-vs-proof-of-stake-1024x659.png 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21100036\/1750500036-proof-of-work-vs-proof-of-stake-768x495.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/06\/21100036\/1750500036-proof-of-work-vs-proof-of-stake-450x290.png 450w\"><figcaption id=\"caption-attachment-1547\" class=\"wp-caption-text\">Proof of Work vs. Proof of Stake. Zdroj: dzone.com<\/figcaption><\/figure><h2><span style=\"font-weight: 400\">Budoucnost t\u011b\u017eby bitcoinu: Co p\u0159inese rok 2025 a d\u00e1le?<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"124\" data-end=\"520\">T\u011b\u017eba bitcoinu v roce 2025 \u010del\u00ed rostouc\u00edm v\u00fdzv\u00e1m \u2013 a tempo, jak\u00fdm se t\u011b\u017eba m\u011bn\u00ed, rozhodn\u011b nezpomaluje. Obt\u00ed\u017enost t\u011b\u017eby se automaticky upravuje zhruba ka\u017ed\u00e9 dva t\u00fddny (po vyt\u011b\u017een\u00ed 2 016 blok\u016f), aby s\u00ed\u0165 udr\u017eela stabiln\u00ed tempo vytv\u00e1\u0159en\u00ed nov\u00fdch blok\u016f. Kdy\u017e v s\u00edti p\u0159ib\u00fdv\u00e1 v\u00fdpo\u010detn\u00ed v\u00fdkon, obt\u00ed\u017enost roste. T\u011b\u017ea\u0159i tak mus\u00ed neust\u00e1le zvy\u0161ovat efektivitu, modernizovat hardware a hledat levn\u011bj\u0161\u00ed zdroje energie, jen aby z\u016fstali konkurenceschopn\u00ed.<\/p><p data-start=\"842\" data-end=\"1103\">Z dlouhodob\u00e9ho hlediska je jist\u00e9 jedno \u2013 <strong>maxim\u00e1ln\u00ed po\u010det bitcoin\u016f je omezen na 21 milion\u016f <\/strong>a podle sou\u010dasn\u00e9ho tempa t\u011b\u017eby a halving\u016f by se posledn\u00ed bitcoin m\u011bl vyt\u011b\u017eit p\u0159ibli\u017en\u011b kolem roku 2140. Potom u\u017e t\u011b\u017ea\u0159i nebudou dost\u00e1vat nov\u00e9 BTC jako odm\u011bnu, ale budou profitovat pouze z poplatk\u016f za transakce. S\u00ed\u0165 t\u00edm samoz\u0159ejm\u011b nezanikne, ale jej\u00ed ekonomika se v\u00fdrazn\u011b prom\u011bn\u00ed.<\/p><p data-start=\"1105\" data-end=\"1423\">Bitcoinov\u00e1 t\u011b\u017eba tedy nebude fungovat \u201enav\u017edy\u201c stejn\u00fdm zp\u016fsobem. U\u017e dnes vid\u00edme, jak se z decentralizovan\u00e9 \u010dinnosti nad\u0161enc\u016f stala vysoce specializovan\u00e1 a konkuren\u010dn\u00ed oblast \u2013 a tento trend bude ve v\u0161\u00ed pravd\u011bpodobnosti pokra\u010dovat. Budoucnost bude pat\u0159it t\u011bm, kte\u0159\u00ed dok\u00e1\u017e\u00ed kombinovat technologickou efektivitu, levnou energii a strategick\u00fd p\u0159\u00edstup.<\/p><h3 data-start=\"1105\" data-end=\"1423\">Dopad halvingu na t\u011b\u017ebu bitcoinu<\/h3><p data-start=\"97\" data-end=\"530\">Po <strong>halvingu<\/strong> v roce 2024 je odm\u011bna za vyt\u011b\u017een\u00fd blok u\u017e jen <strong>3,125 BTC<\/strong> a v roce 2028 klesne na <strong>1,5625 BTC.<\/strong> Tento mechanismus v z\u00e1sad\u011b sni\u017euje po\u010det nov\u00fdch bitcoin\u016f vstupuj\u00edc\u00edch do ob\u011bhu a t\u00edm i odm\u011bnu pro t\u011b\u017ea\u0159e. V\u00fdsledkem je zv\u00fd\u0161en\u00fd tlak na ziskovost t\u011b\u017eby, proto\u017ee t\u011b\u017ea\u0159i za stejnou pr\u00e1ci z\u00edskaj\u00ed m\u00e9n\u011b bitcoin\u016f. To znamen\u00e1, \u017ee efektivita t\u011b\u017eby a n\u00e1klady na energii hraj\u00ed st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed roli p\u0159i udr\u017een\u00ed profitability.<\/p><p data-start=\"532\" data-end=\"968\">S ka\u017ed\u00fdm halvingem se z\u00e1rove\u0148 zvy\u0161uje <strong>z\u00e1vislost t\u011b\u017ea\u0159\u016f na transak\u010dn\u00edch poplatc\u00edch,<\/strong> kter\u00e9 se tak st\u00e1vaj\u00ed kl\u00ed\u010dov\u00fdm zdrojem p\u0159\u00edjm\u016f. Tento posun m\u016f\u017ee zm\u011bnit dynamiku trhu, proto\u017ee poplatky budou muset pokr\u00fdt st\u00e1le v\u011bt\u0161\u00ed \u010d\u00e1st n\u00e1klad\u016f na provoz s\u00edt\u011b. Po halvingu t\u011b\u017ea\u0159i \u010del\u00ed zv\u00fd\u0161en\u00e9mu ekonomick\u00e9mu tlaku, ov\u0161em pokud bude cena bitcoinu dlouhodob\u011b r\u016fst, mohou nakonec i p\u0159i ni\u017e\u0161\u00edch odm\u011bn\u00e1ch dosahovat zisku a profitovat.<\/p><h2 data-start=\"532\" data-end=\"968\"><span style=\"font-weight: 400\">Z\u00e1v\u011br: Je t\u011b\u017eba bitcoinu pro v\u00e1s tou pravou cestou?<\/span><\/h2><p><span class=\"replacer\"><\/span><\/p><p data-start=\"115\" data-end=\"539\">Nyn\u00ed u\u017e v\u00edte, jak funguje t\u011b\u017eba bitcoinu, jak\u00e9 jsou s n\u00ed spojen\u00e9 n\u00e1klady a rizika, a jak\u00fd dopad na ni maj\u00ed pravideln\u00e9 halvingy. T\u011b\u017eba bitcoinu nen\u00ed jen o technologi\u00edch, ale tak\u00e9 o efektivit\u011b, dostupnosti levn\u00e9 energie a spr\u00e1vn\u00e9m na\u010dasov\u00e1n\u00ed. Pokud p\u0159em\u00fd\u0161l\u00edte o tom, jak t\u011b\u017eit bitcoin a chcete maximalizovat n\u00e1vratnost sv\u00e9 investice, je d\u016fle\u017eit\u00e9 sledovat trhy a p\u0159izp\u016fsobovat sv\u00e9 strategie v\u00fdvoji ceny a zm\u011bn\u00e1m v odm\u011bn\u00e1ch pro t\u011b\u017ea\u0159e.<\/p><p data-start=\"541\" data-end=\"846\">Bitcoin t\u011b\u017eba se st\u00e1le vyv\u00edj\u00ed a nab\u00edz\u00ed zaj\u00edmav\u00e9 p\u0159\u00edle\u017eitosti, ale vy\u017eaduje pe\u010dliv\u00e9 pl\u00e1nov\u00e1n\u00ed a pochopen\u00ed trhu. A\u0165 u\u017e chcete v\u011bd\u011bt, jak t\u011b\u017eit bitcoin zdarma, nebo hled\u00e1te zp\u016fsoby, jak optimalizovat t\u011b\u017ebu, nezapom\u00ednejte sledovat nadch\u00e1zej\u00edc\u00ed halving a celkov\u00fd v\u00fdvoj. Bu\u010fte p\u0159ipraveni a vyu\u017eijte sv\u00e9 znalosti naplno!<\/p><h2 data-start=\"541\" data-end=\"846\"><span style=\"font-weight: 400\">FAQ<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<\/p><div class=\"man_faq_sec\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\r\n<!--                            <script>jQuery(document).ready(function() {\r\n\t\t\t\t\t\t\t\tjQuery(\".accordionButton\").click(function() {\r\n\t\t\t\t\t\t\t\t\tjQuery(\".accordionButton\").removeClass(\"on\");\r\n\t\t\t\t\t\t\t\t\tjQuery(\".accordionContent\").slideUp(\"normal\");\r\n\t\t\t\t\t\t\t\t\tif(jQuery(this).next().is(\":hidden\") == true) {\r\n\t\t\t\t\t\t\t\t\t\tjQuery(this).addClass(\"on\");\r\n\t\t\t\t\t\t\t\t\t\tjQuery(this).next().slideDown(\"normal\");\r\n\t\t\t\t\t\t\t\t\t } \r\n\t\t\t\t\t\t\t\t\t  \r\n\t\t\t\t\t\t\t\t });\r\n\t\t\t\t\t\t\t\t });\r\n\t\t\t\t\t\t\t<\/script>-->\r\n\t\t\t\t\t\t\t<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">Co je to halving a jak ovliv\u0148uje t\u011b\u017ebu bitcoinu?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">Halving je pravideln\u00e9 sn\u00ed\u017een\u00ed odm\u011bny za vyt\u011b\u017een\u00fd blok, ke kter\u00e9mu doch\u00e1z\u00ed zhruba ka\u017ed\u00e9 \u010dty\u0159i roky. Po halvingu t\u011b\u017ea\u0159i dost\u00e1vaj\u00ed za ka\u017ed\u00fd blok m\u00e9n\u011b bitcoin\u016f, co\u017e sni\u017euje jejich okam\u017eit\u00e9 v\u00fdnosy. To zvy\u0161uje tlak na efektivitu t\u011b\u017eby a z\u00e1vislost na transak\u010dn\u00edch poplatc\u00edch. Halving p\u0159\u00edmo sni\u017euje po\u010det nov\u00fdch bitcoin\u016f, kter\u00e9 t\u011b\u017ea\u0159i dost\u00e1vaj\u00ed jako odm\u011bnu, co\u017e omezuje rychlost r\u016fstu celkov\u00e9 nab\u00eddky bitcoin\u016f. T\u00edm vznik\u00e1 v\u011bt\u0161\u00ed nedostatek, kter\u00fd \u010dasto vede k r\u016fstu ceny bitcoinu v dlouhodob\u00e9m horizontu. <\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">Jak\u00e1 je n\u00e1vratnost investice do t\u011b\u017eby bitcoinu?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">N\u00e1vratnost t\u011b\u017eby bitcoinu z\u00e1vis\u00ed na mnoha faktorech \u2013 hlavn\u011b na cen\u011b bitcoinu, n\u00e1kladech na elekt\u0159inu, efektivit\u011b t\u011b\u017eebn\u00edho hardwaru a aktu\u00e1ln\u00edch odm\u011bn\u00e1ch za blok. S p\u0159ich\u00e1zej\u00edc\u00edmi halvingy se odm\u011bny sni\u017euj\u00ed, tak\u017ee bez r\u016fstu ceny bitcoinu nebo zlep\u0161en\u00ed efektivity t\u011b\u017eby m\u016f\u017ee b\u00fdt n\u00e1vratnost ni\u017e\u0161\u00ed.<\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">D\u00e1 se bitcoin t\u011b\u017eit zdarma?<\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">T\u011b\u017eba bitcoinu \u201ezdarma\u201c v prav\u00e9m slova smyslu nen\u00ed mo\u017en\u00e1, proto\u017ee je pot\u0159eba investovat do specializovan\u00e9ho hardwaru a platit za elekt\u0159inu. Existuj\u00ed v\u0161ak slu\u017eby a programy, kter\u00e9 umo\u017e\u0148uj\u00ed za\u010d\u00edt s men\u0161\u00edmi n\u00e1klady nebo formou cloudov\u00e9 t\u011b\u017eby, ale i zde naraz\u00edte na poplatky. P\u0159ed za\u010d\u00e1tkem t\u011b\u017eby je d\u016fle\u017eit\u00e9 dob\u0159e porozum\u011bt v\u0161em n\u00e1klad\u016fm (na hardware, elekt\u0159inu \u010di \u00fadr\u017ebu) a mo\u017enostem, jak t\u011b\u017eit bitcoin (vlastn\u00ed t\u011b\u017eba, cloudov\u00e1 t\u011b\u017eba nebo t\u011b\u017eebn\u00ed pooly).<\/p>\r\n                <\/div><\/div><\/section>\n<h2>Reference<\/h2>\n<p><span class=\"replacer\"><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/kryptomagazin.cz\/co-je-bitcoin-halving-ultimatni-pruvodce-bitcoinovymi-cykly\/\">https:\/\/kryptomagazin.cz\/co-je-bitcoin-halving-ultimatni-pruvodce-bitcoinovymi-cykly\/<\/a><\/li>\n<li><a href=\"https:\/\/www.investopedia.com\/tech\/how-does-bitcoin-mining-work\/\">https:\/\/www.investopedia.com\/tech\/how-does-bitcoin-mining-work\/<\/a><\/li>\n<li><a href=\"https:\/\/hashrateindex.com\/\">https:\/\/hashrateindex.com\/<\/a><\/li>\n<\/ul>\n<p data-start=\"2294\" data-end=\"2428\" data-is-last-node=\"\" data-is-only-node=\"\">\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>T\u011b\u017eba bitcoinu je proces, bez kter\u00e9ho by samotn\u00e1 bitcoinov\u00e1 s\u00ed\u0165 nemohla fungovat. Nejde p\u0159itom jen o vytv\u00e1\u0159en\u00ed nov\u00fdch minc\u00ed \u2013 t\u011b\u017eba zaji\u0161\u0165uje bezpe\u010dnost, ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed a decentralizovan\u00fd provoz s\u00edt\u011b. I proto b\u00fdv\u00e1 ozna\u010dov\u00e1na za jeden z kl\u00ed\u010dov\u00fdch pil\u00ed\u0159\u016f cel\u00e9ho bitcoinov\u00e9ho ekosyst\u00e9mu.Mo\u017en\u00e1 si ale kladete ot\u00e1zky: Jak se t\u011b\u017e\u00ed bitcoin? Jak t\u011b\u017eba bitcoinu funguje v praxi? [&hellip;]<\/p>\n","protected":false},"author":655,"featured_media":0,"parent":20,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"new-page-template.php","meta":{"_acf_changed":false,"footnotes":""},"editors":[175],"class_list":["post-1504","page","type-page","status-publish","hentry","editors-vaclav-zahradnik"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak se t\u011b\u017e\u00ed bitcoin? 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