Making a custom Hashcat module to solve a decade-old puzzle challenge

Joseph Gabay

DEF CON 33 · Day 1 · Main Stage

About ten years ago, an anonymous person posted a puzzle challenge to the internet. The prize: one Bitcoin, locked in a "brain wallet." To claim it, a solver would need to work through 20 cryptographi

AI review

Delightful Bitcoin heist narrative with a technically sound custom Hashcat module, but this is an engaging story about a solved problem rather than a security advance.

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