A flaw in Coldcard seed generation lets attackers recreate private keys from the press of a button

Some Coldcard Mk3 owners may need to move their Bitcoin. Coinkite says funds tied to seeds generated on firmware 4.0.1 or a later Mk3 release may be at risk. Bitcoin Core contributor instagibbs said he recreated the vulnerable seed on a newly initialized Mk3. Coinkite says Mk4 and Mk5 devices are also affected before firmware [ ]