Coinkite Sued After Coldcard Wallet Flaw Exposes $140M in Bitcoin

A five-year-old security flaw in Coldcard hardware wallets has landed manufacturer Coinkite a lawsuit after attackers allegedly drained more than $140 million in bitcoin. The proposed class action claims the devices generated predictable recovery phrases, leaving customers exposed to theft. Coldcard Security Failure Sparks $140M Lawsuit A class action lawsuit filed Sept. 11, 2026, in […]