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I
Independent archiver
Inpayment
Integrity
Interbancarity
Interbank funds transfer system
Interbank Payment Order (TIP)
International Bank Account Number (IBAN)
International Payment Instruction (IPI)
Interoperability
Intraday liquidity
Irrevocability
Integrity

The property of ensuring that information is not altered in any way, either by accident or with fraudulent intent.