Coldcard PRNG Flaw Lets Attackers Reconstruct Private Keys: 1,367 BTC Drained
A crypto hack targeting a firmware flaw in the Coldcard Bitcoin hardware wallet has drained at least 1,367 BTC, worth approximately $86M at current prices, from more than 4,500 cold storage addresses across three waves of attacks. The exploit never required physical access to a single device; it rebuilt private keys from scratch using mathematics….
