Unbiasable public randomness refers to a source of random numbers that is publicly verifiable and demonstrably immune to manipulation or prediction by any participant. In blockchain, this is essential for fair selection processes, such as choosing validators in Proof of Stake systems or generating unpredictable outcomes in decentralized applications. It ensures that no single entity can influence the random output to their advantage. This property is crucial for the security and integrity of many decentralized protocols.
Context
Generating truly unbiasable public randomness on a blockchain is a significant challenge, often requiring sophisticated cryptographic protocols or external oracle services. Debates center on the trade-offs between decentralization, security, and the latency involved in obtaining such random values. Ongoing research explores various verifiable random function (VRF) implementations and distributed randomness beacons to provide robust and trustworthy sources for decentralized systems.
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