DossierENTITY

Coldcard wallet

Coverage of Coldcard wallet in the Nexus archive.

Earliest in view: Jul 31 · 15:22 UTCMost recent: Aug 3 · 08:51 UTC

Co-mentioned in this coverage

Recent coverage

SECURITYAug 3 · 08:51 UTCCOINDESK
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.
SECURITYJul 31 · 15:22 UTCBITCOIN MAGAZINE
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.