FIRMWARE
MK4 / MK5 ≥ 5.6.1
Q ≥ 1.5.1Q
COLDCARD SECURITY ADVISORY
Existing affected seeds require migration
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COLDCARD Seed Generation
COLDCARD seed generation source map for Mk4 and Mk5 firmware 5.6.1 and later and Q firmware 1.5.1Q and later
An unofficial technical data-flow graph for current COLDCARD seed generation. Every node opens its implementation source.
Coldcard/firmware · shared/seed.py ↗
