Abstract: In one embodiment, a method includes receiving a first network event corresponding to a first transaction, the first network event being assigned a unique transaction group identifier, authorizing the first transaction based on a balance value of a ledger account recorded in an account ledger, recording a first update in the account ledger, comprising recording the unique transaction group identifier in association with the first update and the ledger account and modifying the balance value of the ledger account, receiving a second network event corresponding to a second transaction, determining that a unique transaction group identifier assigned to the second network event matches the unique transaction group identifier associated with the first update and the ledger account, and recording a second update in the account ledger, comprising recording the unique transaction group identifier in association with the second update without modifying the balance value of the ledger account.