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.
Context ∞ News frequently references Quorum Based Consensus when explaining the operational mechanics and security properties of various blockchain networks and decentralized ledgers. Different protocols utilize varying quorum sizes and selection methods, which directly impact their performance and resilience. Understanding these mechanisms is crucial for evaluating the trustworthiness and scalability of digital asset systems.
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