Coldcard Wallet
Coverage of Coldcard Wallet in the Nexus archive.
- "You stole, please return some." Coldcard hacker's wallet becomes a graffiti wall of pleas and hustles
A hacker's stolen Coldcard wallet has become a graffiti wall featuring messages from victims and others pleading for returned funds or proposing deals. The wallet's blockchain is now cluttered with humorous, urgent, and transactional notes from users attempting to recover assets.
- Coldcard wallet losses may near $114 million as possible fourth sweep emerges
Coldcard wallet losses may approach $114 million as a potential fourth sweep is reported. The article highlights concerns over ongoing security incidents affecting the cryptocurrency wallet provider.
- Coldcard Wallet Flaw Exposes Years of Bitcoin Seeds After $70M in BTC Stolen
A firmware bug in Coldcard Wallet's Mk3 model caused weak entropy in seed generation, leading to predictable private keys and the theft of over $70 million in Bitcoin. Coinkite advised users of affected models (Mk3, Mk4, Mk5, Q) to move funds after hackers exploited the vulnerability to drain multiple addresses.