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Proof of Work (PoW) is the mechanism Bitcoin uses to secure the blockchain and choose which version of history is valid. In PoW, miners compete ...

In Bitcoin, on-chain and off-chain describe where a transaction or piece of data is recorded and enforced. On-chain means: Examples of on-chain activity: Off-chain means: ...

The Bitcoin blockchain is a special type of database that records every transaction ever made with Bitcoin. It is called a “block chain” because it ...

Bitcoin is often called anonymous, but a more accurate word is pseudonymous. On the blockchain: So, you have pseudonyms (addresses), not complete anonymity. Where privacy ...

A seed phrase (also called a recovery phrase or mnemonic) is a list of 12, 18, or 24 words that backs up your Bitcoin wallet. ...

Bitcoin tracks coins using something called UTXOs, which stands for Unspent Transaction Outputs. It sounds technical, but the idea is simple. Every Bitcoin transaction has ...

Self custody means you personally control the private keys that secure your Bitcoin. No company, exchange, or third party stands between you and your coins. ...

There are three main ways to get Bitcoin: buy it, earn it, or mine it. 1. Buying Bitcoin This is the most common route for ...