Random Selection is a process of choosing an item or participant from a group where each member has an equal probability of being chosen. In blockchain systems, this mechanism is employed to ensure fairness, unpredictability, and decentralization in critical operations. It helps prevent malicious actors from anticipating or influencing outcomes.
Context
Random Selection is a fundamental component of many Proof of Stake consensus algorithms, determining which validators are chosen to propose or attest to blocks. The integrity of this randomness is paramount for network security and resistance to manipulation. Researchers continuously work on developing verifiable random functions (VRFs) to ensure that the selection process is genuinely unpredictable and cannot be exploited by powerful entities.
New mechanism uses concise commitments and statistical honesty tests to mathematically enforce random transaction selection, mitigating ordering manipulation.
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