negativeSYS.SOURCE: coldcard.rip• 2026-08-05T18:16:38Z
Security Flaw in Coldcard Hardware Wallets Due to Predictable Random Number Generation
A security flaw in Coldcard hardware wallets allowed predictable random number generation, enabling attackers to sweep 1,432.48 BTC from affected addresses. The vulnerability stemmed from a misconfigured hardware RNG check in the firmware.
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