Halborn Web3 安全研究
Explained: The Coldcard Hack (July 2026)
Starting on July 30, 2026, the wallets of users of the Coldcard hardware wallet began being drained. The attackers took advantage of a bug in the cold wallet’s key-generation code, which allowed them to reconstruct private keys and steal an estimated USD 130+ million in Bitcoin. Inside the Attack The roo...