
What Is a Testnet and How Do Crypto Testnets Work?
Before real funds move on a blockchain, developers and users test everything on a testnet. Learn how testnets work and what the testnet tokens are for.
Start learning crypto with beginner-friendly guides to wallets, trading, blockchain, DeFi, Bitcoin, Ethereum, and key concepts.

Before real funds move on a blockchain, developers and users test everything on a testnet. Learn how testnets work and what the testnet tokens are for.

A mainnet is the live version of a blockchain, where real money moves, fees are paid, and mistakes cannot be undone. This guide covers how Ethereum, Bitcoin, Solana, Base, and Polygon mainnets work, what chain IDs and RPC settings do, and what to check before sending funds.

The MACD indicator is one of the most-used tools in crypto trading, but most beginners misread it. This guide covers how MACD works, what the signals actually mean, and why acting on them without a plan can cost more than expected.

A soft fork is a blockchain upgrade that tightens the rules without breaking compatibility with older nodes. This guide covers how soft forks work, how they differ from hard forks, and why even a backward-compatible upgrade can split a chain.

A beginner-focused guide to crypto perpetual futures (a.k.a. crypto perps) covering how they work, what keeps them tied to spot prices, and the main risks traders face. This guide also explains the concepts of funding rates, leverage, margin, and liquidation in plain terms.

Public keys make crypto wallets work by letting networks verify transactions without exposing the private keys that control your funds. This guide explains how public keys, wallet addresses, seed phrases, and xpubs differ, plus the privacy risks beginners often overlook.

The metaverse is not one app, headset, or blockchain, but a mix of virtual worlds, avatars, creator tools, payments, and sometimes crypto ownership. This guide explains where crypto fits, what users can do today, and why platform lock-in, wallet risk, and speculation still matter.

Wyckoff distribution is one of the oldest frameworks for reading a potential market top. It doesn't predict crashes, but it gives traders a structured way to study failed rallies, volume effort, and supply building near resistance.

A margin call is a warning that your account no longer has enough collateral to support what you've borrowed. Here's how it works, what typically happens after the call, and how to avoid it.

Bitcoin was created by Satoshi Nakamoto. That name appears on the whitepaper, the first software release, and the earliest transactions on the network. Whether Satoshi was one person or a group and why every major identity reveal has failed so far, this article covers all of it in plain terms for anyone new to the topic.

Etherscan is the standard search tool for Ethereum's public ledger. This guide covers how to look up transactions, check gas, review token approvals, and inspect smart contracts.

Curve Finance runs stablecoin swaps, governance, and lending in one protocol. Here's how each piece works and where users actually lose money.