All 256 Bitcoin puzzle addresses
Each tile links to the address on privatekeys.pw. Hover or long-press a tile for its status, solver and key range.
83Solved5Open, public key exposed72Open96Withdrawn by the creator
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Solved
The private key has been found and the prize claimed.
The private key has been found and the prize claimed.
Open, public key exposed
Unsolved, but the creator revealed the public key on-chain in 2019. That allows Pollard’s kangaroo, which needs about the square root of the work of a plain search.
Unsolved, but the creator revealed the public key on-chain in 2019. That allows Pollard’s kangaroo, which needs about the square root of the work of a plain search.
Open
Unsolved, and only the address is known. The whole key range has to be searched.
Unsolved, and only the address is known. The whole key range has to be searched.
Withdrawn by the creator
Puzzles #161–256. The creator moved their funds to the lower puzzles in 2017, so there is nothing left to find.
Puzzles #161–256. The creator moved their funds to the lower puzzles in 2017, so there is nothing left to find.
Sources
Puzzle data: privatekeys.pw, “~1000 BTC Bitcoin Challenge” and the Bitcoin Puzzle Directory, snapshot of 2026-11-13.
Original puzzle description by its creator, saatoshi_rising, on BitcoinTalk.
Prizes for open puzzles reflect the 2023-04-16 top-up, after which each unsolved puzzle n holds n ÷ 10 BTC.