{"id":"payment-balance-never-cached","text":"`PaymentSystem.get_balance()` derives balance by scanning the full ledger on every call; no running total or balance cache is maintained.","truth_value":"IN","source":"entries/2026/06/05/topic-consistency-models.md","source_url":"","source_hash":"","justifications":[],"dependents":["lazy-read-time-evaluation-trades-write-simplicity-for-read-cost"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"payment-balance-never-cached","truth_value":"IN","reason":"premise"}]}}