Postings are immutable, meaning they cannot be edited once they have been committed to the append only postings ledger. The bene fit of this is that you know that the

postings you see in the ledger are the original, and will never be edited or removed



Postings are the lowest level movement of funds. Postings are not Customer Facing transactions a single Customer Transaction o r Payment can be made up of many

postings.



Balances in Vault are always computed according to the postings within the ledger, our single source of truth for movement of fu nds.



The Postings API guarantees consistency through following the double entry book keeping model and ensures all requests follow th is principle.