Hackers Use AI to Brute-Force Cold Wallet Seed Phrases, Stealing $1.6M in Bitcoin

ZeroStateReflex · x · 2026-08-02

A user reported that $1.6 million in Bitcoin was drained from their ColdCard hardware wallet. Even though the device was kept offline in a safety deposit box, hackers exploited a vulnerability in the wallet's seed phrase generation code and used AI to brute-force the seed phrases.

Security experts warn that as AI tools become vastly more capable, attacks exploiting hardware seams like this are about to happen at scale.

Related event: AI Exploits Hardware Wallet Flaw to Steal $1.6M in Bitcoin(2 posts)→

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