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After the Coldcard Entropy Disaster: How to Fingerprint a Wallet's Key Path in Three Steps

This story is from 2026-10-29. It is preserved in the archive; the latest stories are on the live feed.

: How to Fingerprint a Wallet's Key Path in Three Steps On July 30, 2026, Coinkite disclosed that Coldcard firmware shipped since March 2021 derived seeds from a software fallback RNG instead of the hardware entropy source — effective randomness estimated at 40 to 72 bits instead of the intended 12…

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  1. 2026-10-29 03:38 · DEV Community — AI
    After the Coldcard Entropy Disaster: How to Fingerprint a Wallet's Key Path in Three Steps

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