The Coldcard Hack: A Timeline of the $38M Entropy Failure, and How to Keep It From Happening to You
The Coldcard theft is the scariest kind of Bitcoin loss: the victims did almost everything right. A firmware bug quietly swapped true hardware randomness for a predictable software fallback, so 500 seeds could be computed rather than guessed. I broke down the full timeline, both technical reports, and the safety habits (passphrases, multisig, verifying your own entropy) that protect any wallet regardless of maker.