GPU-accelerated search for Bitcoin keys generated with weak entropy

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GPU-accelerated search for Bitcoin keys generated with weak entropy is active in the show hn launch space.

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Hey HN, I've been working on a CUDA pipeline that systematically searches for Bitcoin private keys generated by flawed software from Bitcoin's early years. The linked article is a technical deep dive into the GPU engineering — no source code (project is closed-source), but detailed pseudocode and architecture diagrams. The problem: Between 2009 and 2012, many Bitcoin wallet tools used predictable entropy — timestamp-seeded LCGs, brain wallets with simple passwords, the Debian OpenSSL bug (CVE-2008-0166) that reduced entropy to 15 bits, the Randstorm BitcoinJS flaw, PHP's mt_rand() seeded with time*pid, and others. The private keys generated by these algorithms have tiny search spaces (some a

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