INVESTIGATIVE DOSSIER · RESEARCHED 03 OCT 2026
BITCOIN PUZZLE #62 · 62-BIT · SOLVED

Bitcoin Puzzle #62

Solved and swept on 08 Sep 2022. The private key for this 62-bit puzzle was found inside [2^61, 2^62) and the balance was moved out.

Why puzzle #62 still matters

A solved puzzle is a benchmark. Running a cracker against it should recover the real private key, which is how you tell genuine code from a toy. Puzzle #62 needs about 2^60 key tests on average.

Re-solve #62 in your browser All 256 puzzle addresses