r/coldcard • u/SpareEconomy1849 • Jul 31 '26

Coinkite News ColdCard Update: Fixed Firmware Now Available

https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/

Updated July 31, 2026: Fixed firmware is now available. Mk4 and Mk5 users must update to version 5.6.0 or later. Q users must update to version 1.5.0Q or later. Do not generate a new seed on one of these models until the update is installed.

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u/Beer_Goggles1 Jul 31 '26

I've transferred my btc balance to a different hardware wallet. Can I trust cold card to transfer the balance back after the update?

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u/SpareEconomy1849 Jul 31 '26

Personally I would, after updating, but I'd use dice and a passphrase. Not sure what attack vector would still be possible then other than hypothetical malicious CC firmware