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Quorum Based Consensus

Definition

Quorum Based Consensus is a class of distributed agreement protocols where a decision is reached when a sufficient majority, or quorum, of network participants agree on a particular state or transaction. Not all nodes need to participate in every decision, but a supermajority must confirm the outcome. This approach ensures fault tolerance and consistency, even in the presence of some faulty or malicious nodes. It is a fundamental concept in distributed systems.