Coldcard’s 5-year flaw reveals hardware wallet testing gap: Kraken’s security chief

Aug 2, 2026 - 22:00
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Coldcard’s 5-year flaw reveals hardware wallet testing gap: Kraken’s security chief

Coldcard’s 5-year flaw reveals hardware wallet testing gap: Kraken’s security chief

The five-year bug escaped detection because auditors verified that the intended random number generator existed, but not that it was being called.

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