Coldcard strengthens seed generation with firmware update
Coinkite urged Coldcard users to generate new seed phrases, warning that existing vulnerable seeds remain unsafe despite the security upgrade. Coinkite released a new security upgrade to strengthen seed phrase generation by requiring user-supplied entropy mixed with improved device randomness. Coinkite announced firmware 5.6.1 for Coldcard Mk4 and Mk5 devices and 1.5.1Q for the Coldcard…