INVESTIGATIVE DOSSIER · RESEARCHED 03 OCT 2026
BITCOIN PUZZLE #35 · 35-BIT · SOLVED

Bitcoin Puzzle #35

Solved and swept on 17 Jan 2015. The private key for this 35-bit puzzle was found inside [2^34, 2^35) and the balance was moved out.

Why puzzle #35 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 #35 needs about 2^33 key tests on average.

Re-solve #35 in your browser All 256 puzzle addresses