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594 BTC Gone in 25 Minutes: The Coldcard Flaw That Made Seed Phrases Guessable

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FOMOGRAM Editorial Desk
Aug 1, 2026
98.5% CONFIDENCE
CryptoTicker FEED
594 BTC Gone in 25 Minutes: The Coldcard Flaw That Made Seed Phrases Guessable
EXECUTIVE SUMMARY

A firmware bug from March 2021 let an attacker drain $38 million from around 500 Bitcoin wallets. Here is what broke, who is exposed and what to do now.

A firmware bug from March 2021 let an attacker drain $38 million from around 500 Bitcoin wallets. Here is what broke, who is exposed and what to do now.

FOMOGRAM SENTINEL GRAVITY TELEMETRY

A significant firmware flaw in Coldcard wallets has led to the theft of 594 BTC, raising concerns about the security of Bitcoin wallets and potentially impacting market confidence.

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