{"id":"pbft-prepared-threshold-is-2f","text":"`_check_prepared` requires exactly 2f matching PREPAREs (not 2f+1) because the primary's PRE-PREPARE counts as implicit agreement toward the quorum of 2f+1.","truth_value":"IN","source":"entries/2026/05/29/byzantine-fault-tolerance-pbft-_check_prepared.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"pbft-prepared-threshold-is-2f","truth_value":"IN","reason":"premise"}]}}