A block proposer committee is a selected group of network participants responsible for proposing new blocks to a blockchain in certain consensus mechanisms. This committee is typically chosen pseudo-randomly from a larger set of validators or stakers to decentralize block production. Their role involves gathering transactions, verifying them, and assembling them into a candidate block for validation by other network nodes. This process helps maintain the integrity and progression of the distributed ledger.
Context
The fairness and decentralization of block proposer committee selection are frequent topics in blockchain development, particularly in proof-of-stake systems. Debates address potential centralization risks if committee selection is predictable or manipulable. Ongoing research and protocol upgrades aim to enhance the randomness and impartiality of committee formation, thereby bolstering network security and censorship resistance. News often covers improvements in these selection algorithms.
Introducing BCPVRNG-SC, a dual-PRNG mechanism that embeds verifiable randomness into the ledger, structurally eliminating proposer bias and enhancing network fairness.
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