Coldcard Bitcoin Exploit Explained: Entropy, How Keys Are Generated, and Why Bits Matter
Decrypt·
60-second summary
A critical vulnerability in Coldcard wallets is costing Bitcoin holders over $100 million, exposing a flaw in entropy-based key generation, where bits matter significantly. This exploit reopened the debate on trust in dice rolls, which generate randomness used to create private keys. The incident highlights the importance of robust entropy sources in secure wallets.
A flaw in Coldcard wallets cost Bitcoin holders more than $100 million—and reopened an old fight about whether you can trust dice.