Bounded randomness describes a system where random outcomes are constrained within a specific, predefined range or set of parameters. In blockchain contexts, this means the unpredictable element, while random, operates within limits set by the protocol rules. This approach provides a controlled degree of unpredictability, essential for predictable yet fair system operation. It helps prevent extreme or undesirable random results that could compromise network stability.
Context
Bounded randomness is frequently discussed in relation to committee selection for consensus protocols or sharding mechanisms. The constraint on randomness is crucial for maintaining a minimum level of security or performance, even with random assignments. Debates often address the balance between sufficient unpredictability for security and the necessary bounds for operational reliability.
This research introduces deterministic bounds to cryptographic sortition, replacing probabilistic security with provable committee representation to enhance PoS robustness.
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