Definition ∞ A cryptographic lottery is a random selection process secured by cryptographic techniques, ensuring fairness and verifiable outcomes. Participants typically commit to a choice or input using cryptographic proofs, and a provably random number determines the winner. This method prevents manipulation and provides transparency in selection. It finds application in various decentralized systems.
Context ∞ Cryptographic lotteries are often employed in blockchain protocols for selecting block proposers, validating nodes, or distributing rewards in a fair and unpredictable manner. Discussions focus on the generation of truly random and unbiasable outcomes in a distributed setting. Future developments include more sophisticated verifiable random functions (VRFs) and zero-knowledge proofs to enhance the security and integrity of these probabilistic mechanisms.
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