3 docs tagged with "entropy"

Learn what a Bitcoin passphrase is, when to use it, and how to generate a strong one with dice and the EFF word list. Full 3-step DIY guide.

The 2026 Coldcard entropy flaw explained: which devices and firmware are affected, how $116M was stolen, and how to migrate your funds safely.

Generate a BIP39 Bitcoin seed phrase from dice rolls. True randomness, verifiable checksum, fully offline, no need to trust the wallet RNG.