CryptoCointelegraphabout 3 hours ago
Coldcard entropy flaw raises hardware wallet security questions
1 min read
Coldcard disclosed an entropy-generation flaw on July 31 affecting multiple devices, enabling attackers to steal over 1,596 Bitcoin worth at least $100 million. Coinkite released firmware fixes and urged affected users to migrate funds. Ledger, Trezor, and Foundation each employ different entropy-generation approaches to prevent similar vulnerabilities.
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