+A **consensus mechanism** is a protocol enabling a [distributed system](/wiki/distributed_system) to achieve a shared agreement on a single data value or state. It orchestrates a collective truth among many nodes, ensuring reliability and integrity in decentralized networks like [blockchain](/wiki/blockchain).
+## See also
+- [Proof of Work](/wiki/proof_of_work)
+- [Proof of Stake](/wiki/proof_of_stake)
+- [Byzantine Fault Tolerance](/wiki/byzantine_fault_tolerance)
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