An agreement protocol is a set of rules allowing distributed computers to attain a shared state. This fundamental mechanism ensures all participants in a decentralized network confirm the same record of transactions. It is essential for maintaining data consistency and preventing conflicts across disparate nodes.
Context
Agreement protocols form the basis of blockchain operation, determining how transactions are validated and added to the ledger. News often covers advancements or challenges in these protocols, such as proof-of-stake or proof-of-work, directly impacting network security, speed, and decentralization. Debates frequently focus on the trade-offs between various consensus mechanisms concerning scalability and resilience.
A new synchronous protocol achieves adaptive word complexity in Byzantine Agreement, scaling communication with actual faults to unlock efficient, fault-tolerant consensus.
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