Ledger warns CryptoBilis buyers after reported wallet drains
Ledger told recent CryptoBilis buyers not to initialize their hardware wallets while it investigates reported drains. The cause and total losses remain unconfirmed.
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
21What a thing is, assuming nothing. Start here if the words are new.
- What is a dust output?
- What is a PSBT?
- A Bitcoin signed message proves less than it sounds
- A Bitcoin wallet needs more than its keys
Guides
18Sit down and do one thing, with a way to check it worked.
- Calculate a SegWit txid and wtxid with Python
- How to use coin control in Sparrow Wallet
- Verify a Taproot address checksum with Python
- How to create and check a Bitcoin payment request
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