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Set Byzantine Consensus

Definition

Set Byzantine Consensus refers to a class of distributed consensus algorithms designed to reach agreement among network participants even when a predetermined number of them are faulty or malicious. These protocols operate on the principle that honest nodes can agree on a common state despite the presence of Byzantine faults, which include arbitrary and malicious behavior. Unlike general Byzantine fault tolerance, “Set Byzantine” implies a specific, often smaller, known set of participants. The algorithms ensure data integrity and system liveness under these adverse conditions. This approach is critical for distributed system reliability.