Tag
Coinkite
3 articles

Coldcard Releases Firmware 5.6.1 After 1,778 BTC Theft Exposes Entropy Flaw
Coinkite's security update requires user-generated randomness for new seeds and patches critical vulnerability that let attackers reconstruct weak keys from 8,600+ addresses.
Coldcard Firmware Exploit Drains $130 Million in Bitcoin; Coinkite Plans Post-Mortem
Hackers exploited a firmware defect in Coldcard hardware wallets, draining an estimated $130 million in Bitcoin; manufacturer Coinkite cannot verify the total due to its privacy-first design.
Coinkite Disputes $130 Million Loss Estimate From Coldcard Firmware Exploit
Coinkite will publish a technical post-mortem on a Coldcard firmware vulnerability as outside researchers estimate customer losses at $130 million.