balance-derived-from-ledger

Status: IN

Account balances are computed by scanning the full ledger on every call to `get_balance`, not cached; the ledger is the single source of truth

Source: entries/2026/06/05/payment-system-payment_system.md

Depended on by

• ledger-supports-asymmetric-read-interpretation
• payment-double-entry-guarantees-balance-integrity
• payment-ledger-is-fully-auditable

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