Nunchuk responds to Coldcard vulnerability: platform keys will not be used directly
2026-08-01 01:54
Odaily News, according to Bitcoin News monitoring, Nunchuk stated that some Nunchuk platform keys are generated by Coldcard Mk4, but these keys will not be used directly. Nunchuk will derive independent keys through custom logic, making them less susceptible to lookup table attacks based on compromised Coldcard seeds. Nunchuk added that, given sufficient time, it believes attackers could eventually include these derived keys as well.
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