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.
Egalitarian BFT eliminates the predictable single leader, using a cryptographic lottery for simultaneous block proposal to achieve strong security against adaptive adversaries.
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