Unpredictable public output refers to data or results generated by a system that are genuinely random and cannot be foreseen or influenced by any participant before their generation. In decentralized systems, this is crucial for fairness in applications like lotteries, gaming, or selecting validators, where bias or manipulation would undermine trust. The output is also publicly verifiable, allowing anyone to confirm its randomness and integrity after it has been produced. This property is a cornerstone of secure and fair decentralized mechanisms.
Context
Achieving truly unpredictable public output on a blockchain is a complex technical challenge, frequently discussed in research and development news for decentralized protocols. Many applications require a source of randomness that is both publicly verifiable and resistant to manipulation by malicious actors. Current solutions often involve distributed randomness protocols or leveraging external, verifiable random functions, with ongoing efforts to enhance their security and efficiency for widespread adoption.
This new Cornucopia framework combines Verifiable Delay Functions with accumulators to create a scalable, bias-resistant randomness beacon secure with only one honest participant.
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