Google cuts a quantum bottleneck, not Bitcoin
Google demonstrated magic-state cultivation on Willow with 40 times fewer errors. It removes one engineering bottleneck, but does not break Bitcoin today.
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
20Sit down and do one thing, with a way to check it worked.
- Inspect a PSBT v0 envelope offline with Python
- Plan a Bitcoin payment fee without sending anything
- Calculate a SegWit txid and wtxid with Python
- How to use coin control in Sparrow Wallet
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