Consensus correctness means that all honest participants in a decentralized network agree on the same valid state of the ledger. This property ensures that the distributed system functions as intended, with all legitimate transactions being recorded accurately and consistently across the network. It guarantees that the blockchain’s history is immutable and universally accepted by its participants, even in the presence of malicious actors or network disruptions. Achieving consensus correctness is a primary objective of any blockchain protocol.
Context
Reports on blockchain security and protocol upgrades often address aspects of consensus correctness, particularly when discussing new proof-of-stake algorithms or improvements to existing systems. Failures in maintaining consensus correctness can lead to network forks or security vulnerabilities, making it a critical metric for evaluating the reliability and trustworthiness of digital asset platforms.
A compositional TLA+ framework drastically reduces the effort required to formally verify complex DAG consensus protocols, establishing robust safety assurances.
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