COMpetition — GPN CTF 2026
A commit-reveal rock-paper-scissors whose non-binding sha256(r1 + message + r2) commitment lets you open one hash to any winning move and sweep all 100 rounds.
Rock-Paper-Scissors
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A commit-reveal rock-paper-scissors whose non-binding sha256(r1 + message + r2) commitment lets you open one hash to any winning move and sweep all 100 rounds.