Security3 SourcesColdcard Releases Firmware Patch, Urges Users With Affected Seeds to MigrateColdcard released firmware versions 5.6.1 and 1.5.1Q following a security review, introducing mandatory user entropy dur...Aug 21, 2026, 10:07 PMColdcardCoinkite
Security2 SourcesColdcard Firmware Flaw Exposed Millions in Bitcoin to TheftA vulnerability in Coldcard's open-source hardware wallet firmware went undetected for years, resulting in significant B...Aug 19, 2026, 04:13 AMColdcardCoinkite
SecurityColdcard Exploit Sparks Debate Over Hardware Wallet SecurityA firmware exploit affecting Coldcard hardware wallets has renewed questions about the security of self-custody solution...Aug 2, 2026, 12:02 AMColdcardCoinkite
SecurityColdcard MK5 Ships With 5 Major Wallet UpgradesCoinkite released the Coldcard MK5, marking the first hardware refresh to its flagship Bitcoin wallet since 2022. The up...May 30, 2026, 02:23 PMCoinkiteColdcard MK5
SecurityCoinkite Releases Coldcard MK5 with Larger Screen and Improved NFCCoinkite launched the Coldcard MK5, its latest flagship Bitcoin hardware wallet, featuring a larger Gorilla Glass screen...May 30, 2026, 04:01 AMCoinkiteColdcard MK5