Bitcoin Core fast-tracks easy-to-find bugs
Bitcoin Core will ship fixes faster when a flaw is easy to rediscover. The new path shortens exposure, but gives patches less testing time.
Understand Bitcoin. Put it into practice.
Bitcoin education, practical guides and sourced news. Explore wallets, self-custody, Lightning and the people building the ecosystem.
The library
Browse everythingExplainers
23What a thing is, assuming nothing. Start here if the words are new.
- What is a Bitcoin compact block?
- What is Bitcoin transaction locktime?
- What is a dust output?
- What is a PSBT?
Guides
22Sit down and do one thing, with a way to check it worked.
- Verify a Bitcoin descriptor checksum offline
- Raise the fee on a pending Bitcoin payment
- Inspect a PSBT v0 envelope offline with Python
- Plan a Bitcoin payment fee without sending anything
Deep Dives
9The mechanism underneath, with the spec and the constants.
- The 2018 hash war, and what hashrate cannot decide
- Bitcoin has no balances, only unspent outputs
- How Bitcoin holds a ten-minute block interval
- The Lightning implementations, and how they differ
Features
13An argument, with the strongest version of the other side.
- The block size war, and what it settled
- Nobody is in charge of Bitcoin, which is the hard part
- Why You Should Accept Bitcoin at Your Beachfront Business
- Texas passes a Bitcoin reserve law: what changes