Bitcoin, built for people.

How Bitcoin works, how to use it, and what happened this week. Sourced, and honest about the limits.

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This week in Bitcoin

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  1. The merkle rule Core had never written down

  2. Core's commit verifier accepted unrelated history

  3. Coldcard rebuilds how a seed gets its randomness

  4. A silent payments check was reading scripts too eagerly

The library

Browse everything

Explainers

16

What a thing is, assuming nothing. Start here if the words are new.

  1. Soft forks, hard forks, and what a chain split is
  2. What the courts have decided about the claim to be Satoshi
  3. What a Lightning invoice actually is
  4. Bitcoin 101: What the Lightning Network is
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Guides

10

Sit down and do one thing, with a way to check it worked.

  1. How to set up and use a Bitcoin wallet
  2. How to make your first Lightning payment
  3. How to run your own Bitcoin node
  4. How to buy bitcoin in Argentina with Lemon
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Deep Dives

9

The mechanism underneath, with the spec and the constants.

  1. The 2018 hash war, and what hashrate cannot decide
  2. Bitcoin has no balances, only unspent outputs
  3. How Bitcoin holds a ten-minute block interval
  4. The Lightning implementations, and how they differ
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Features

13

An argument, with the strongest version of the other side.

  1. The block size war, and what it settled
  2. Nobody is in charge of Bitcoin, which is the hard part
  3. Why You Should Accept Bitcoin at Your Beachfront Business
  4. Texas passes a Bitcoin reserve law: what changes
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