Coldcard is a Bitcoin-only hardware wallet manufactured by Coinkite. A firmware flaw in its seed generation process was linked to a $70 million Bitcoin theft. Affected models include Mk2, Mk3, Mk4, Mk5, and Q.
Coldcard is a Bitcoin-only hardware wallet manufactured by Coinkite. A firmware flaw in its seed generation process was linked to a $70 million Bitcoin theft. Affected models include Mk2, Mk3, Mk4, Mk5, and Q.