Integrity verifying method, system and computer device of separated cross-platform trade and accounting, computer-readable medium

An integrity verifying method of separated cross-platform trade and accounting uses an accounting module of a computer system to produce corresponding accounting entries according to the transaction details from each trade device and send the accounting entries to a general ledger module of the computer system. The general ledger module produces a general ledger subject balance which includes accounting items and general ledger balances. The accounting module compares the transaction details and the transaction details included in a transaction detail aggregation file that comes from the same trade device and produces a compare result of transaction details. The accounting module produces an account balance aggregation file according to the ledger aggregation files provided by the trade devices and sends the account balance aggregation file to the general ledger module. The general ledger module checks the general ledger balances of the general ledger subject balance and the account balances of the account ba