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Coldcard’s New Firmware Forces Dice Rolls and Coin Flips After $114 Million Seed Failure

Unchained·August 24, 2026·1 min read
Coldcard’s New Firmware Forces Dice Rolls and Coin Flips After $114 Million Seed Failure

Coldcard's new firmware versions 5.6.1 and 1.5.1Q now require user-supplied entropy for every new seed, but they do not repair seeds generated on affected firmware. This change follows a $114 million seed failure incident. The update aims to enhance security but leaves existing vulnerable seeds unaddressed.

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