{"id":19857,"date":"2019-07-02T20:04:55","date_gmt":"2019-07-02T20:04:55","guid":{"rendered":"http:\/\/ci027cfe65f01226c3"},"modified":"2025-01-27T21:46:31","modified_gmt":"2025-01-27T21:46:31","slug":"blockstream-announces-atomic-swap-integration-liquid","status":"publish","type":"post","link":"https:\/\/bitcoinmagazine.com\/technical\/blockstream-announces-atomic-swap-integration-liquid","title":{"rendered":"Blockstream Announces Atomic Swap Integration for Liquid"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><figure><img decoding=\"async\" src=\"https:\/\/bitcoinmagazine.com\/wp-content\/uploads\/2025\/01\/blockstream-announces-liquid-atomic-swap-integration.jpg\" title=\"\"><\/figure>\n<p>On July 1, 2019, Blockstream <a href=\"https:\/\/twitter.com\/Blockstream\/status\/1145823725016748033\" target=\"_blank\" rel=\"noopener\">announced<\/a> that it has launched a Liquid Swap Tool on its platform. This tool allows users to execute atomic swaps for crypto assets on the <a href=\"https:\/\/bitcoinmagazine.com\/articles\/blockstreams-liquid-network-high-value-bitcoin-payments-live\">Liquid Network<\/a>, Blockstream\u2019s federated Bitcoin sidechain.<\/p>\n<p>Atomic swaps are trustless exchanges of cryptocurrencies between two parties based on a smart contract. The transactions can happen between assets of different blockchains, on- or off-chain, and do not rely on going through a third-party service like a crypto exchange. During the process, users retain full control and ownership of their private keys.<\/p>\n<p>The company also released a <a href=\"https:\/\/docs.blockstream.com\/liquid\/swap_tool.html\" target=\"_blank\" rel=\"noopener\">configuration guide<\/a> as part of its developer resources set, to help users get the hang of using the tool effectively.<\/p>\n<p>According to Blockstream\u2019s announcement, the atomic swaps will support \u201cany issued asset such as L-BTC, tokenized fiat, crypto assets, attested assets and more\u201d and will work as a second-layer integration on user wallets that are supported by the Liquid Network.<\/p>\n<p>In a <\/p>\n<p>atomic swap between native assets on Liquid L-BTC, L-USDT etc is simpler than cross-chain atomic swap, because the Bitcoin UTXO model transaction rule &#8220;inputs add up to outputs&#8221; is extended to add up inputs of each type, and types\/assets are natively understood @blockstream<a href=\"https:\/\/t.co\/hk5dKqTBlX\">https:\/\/t.co\/hk5dKqTBlX<\/a><\/p>\n<p>\u2014 Adam Back (@adam3us) July 1, 2019<\/p>\n<p>&#8220;&gt;tweet, Blockstream CEO and hashcash inventor Adam Back explained the workings of the solution.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">atomic swap between native assets on Liquid L-BTC, L-USDT etc is simpler than cross-chain atomic swap, because the Bitcoin UTXO model transaction rule &quot;inputs add up to outputs&quot; is extended to add up inputs of each type, and types\/assets are natively understood <a href=\"https:\/\/twitter.com\/Blockstream?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@blockstream<\/a> <a href=\"https:\/\/t.co\/hk5dKqTBlX\">https:\/\/t.co\/hk5dKqTBlX<\/a><\/p>\n<p>&mdash; Adam Back (@adam3us) <a href=\"https:\/\/twitter.com\/adam3us\/status\/1145828768142860288?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">July 1, 2019<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>The announcement also adds to the continued progress of Blockstream\u2019s Liquid Network. Back in May, the company announced the <a href=\"https:\/\/bitcoinmagazine.com\/articles\/liquid-network-expands-new-memberships-and-integrations\">expansion<\/a> of the network to include 14 new members, including crypto exchange Bitfinex and cryptocurrency finance platform RenrenBit.&nbsp;<\/p>\n<p>The move brought its total member tally at the time to 35. Bitfinex Chief Technical Officer Paolo Ardoino described the expansion as a necessary step which ensures that more institutions can issue digital assets under a single blockchain.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blockstream has launched an atomic swap tool for its Liquid Network sidechain, enabling transaction of digital assets between blockchains.<\/p>\n","protected":false},"author":3435,"featured_media":14648,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[118,3057,287,151,396],"class_list":{"0":"post-19857","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-technical","8":"tag-adam-back","9":"tag-atomic-swaps","10":"tag-blockstream","11":"tag-liquid","12":"tag-sidechains"},"author_data":{"id":3435,"name":"Jimmy Aki","nicename":"jimmy-aki","avatar_url":"https:\/\/bitcoinmagazine.com\/wp-content\/uploads\/2024\/12\/jimmy-aki-promo-image-96x96.jpg"},"featured_image_url":"https:\/\/bitcoinmagazine.com\/wp-content\/uploads\/2024\/11\/blockstream-announces-liquid-atomic-swap-integration.jpg","_links":{"self":[{"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/posts\/19857","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/users\/3435"}],"replies":[{"embeddable":true,"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/comments?post=19857"}],"version-history":[{"count":0,"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/posts\/19857\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/media\/14648"}],"wp:attachment":[{"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/media?parent=19857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/categories?post=19857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bitcoinmagazine.com\/wp-json\/wp\/v2\/tags?post=19857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}