Hardware Wallet Coldcard Reveals Security Flaw for Approximately 5 Years, Among Other News
A security flaw in the random number generator of certain Coldcard hardware wallet models has been discovered, which has compromised the security of wallet seeds for approximately five years. The issue is believed to stem from the use of a predictable software pseudo-random number generator instead of the intended hardware random number source during a code migration in 2021. This flaw significantly reduces the search space for attackers trying to guess the seed, and it cannot be fixed by updating the firmware or migrating the recovery phrase to another wallet.
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Key takeaway
"Hardware Wallet Coldcard Reveals Security Flaw for Approximately 5 Years, Among Other News" — BullBear's AI rates this story as a bearish (negative) signal for markets, with a market-impact score of 60 out of 100. A security flaw in the random number generator of certain Coldcard hardware wallet models has been discovered, which has compromised the security of wallet seeds for approximately five years. The issue is believed to stem from the use of a predictable software pseudo-random number generator instead of the intended hardware random number source during a code migration in 2021. This flaw significantly reduces the search space for attackers trying to guess the seed, and it cannot be fixed by updating the firmware or migrating the recovery phrase to another wallet. Reported by TokenPost on August 05, 2026. The call is verified against the actual 24-hour price move on BullBear's public conviction ledger.
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