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negativeSYS.SOURCE: Insider.btcpp.dev• 2026-08-02T02:08:26Z

Security Flaw in Coldcard Firmware: Misconfigured Random Number Generator

#hardware#vulnerability#firmware

A security flaw in Coldcard firmware was caused by a poorly documented commit that disabled hardware random number generation, leading to the use of a weak entropy source. The bug resulted from incorrect code overrides and a lack of proper review, compromising wallet security.

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