CyrilXBT|Aug 02, 2026 08:46
This is genuinely getting worse. over $71 million in btc now confirmed stolen as more coldcard wallets get drained.
cz, binance's founder, flagged the updated number directly, consistent with galaxy research's $70.2 million figure from 1,196 addresses.
the part that matters more than the number: block's own researchers found that a seed generated on vulnerable coldcard firmware stays guessable no matter where you move it. importing it into a trezor, a ledger, even a brand new coldcard, changes nothing. the weakness lives in the number itself, not the device holding it.
updating firmware only protects seeds generated going forward. if your existing seed came from vulnerable firmware, the only real fix is generating an entirely new seed and migrating everything.(CyrilXBT)
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