Diff of Cryptographic Rock-Paper-Scissors at ef222a3

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-A perennial problem on the internet in text chat is that a naively implemented Rock-Paper-Scissors game leads to whoever plays a move first winning.
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+A perennial problem on the internet in text chat is that a naively implemented Rock-Paper-Scissors game leads to whoever plays a move first winning, as the winning move given the other player's move is known and fixed. Cryptography solves this: it is possible for each player to commit to a move before revealing it.
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+== Protocol
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