Ethereum History
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Game Contracts

On-chain game contracts and early blockchain gaming experiments, including lotteries and prediction markets.

1 documented contract

Roulette

An early Ethereum roulette contract from August 2015, notable for a critical randomness vulnerability: its 'private' seed is hardcoded to 1 in the constructor.

0x5fe5b7...25a4fdAugust 10, 2015
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