The system according to claim 1, wherein the transaction comprises one of a web-based transaction, an ATM-based transaction, and a POS device-based transaction.Ĩ. The system according to claim 1, wherein the data representing the POS entry mode comprises the data element 22 of a message compliant with ISO 8583.ħ.
The system according to claim 3, wherein the zone control master key comprises a card verification key (CVK).Ħ. The system according to claim 3, wherein the zone control master key comprises a PIN verification key (PVK).ĥ.
The system according to claim 1, wherein the processor is configured to process the transaction on behalf of the issuer through a zone control master key (ZCMK) shared by the issuer.Ĥ. The system according to claim 1, wherein the processor is configured to select the transaction for processing based on the POS entry mode prior to processing the transaction.ģ. A system for stand-in processing, comprising: a processor and a memory unit communicatively coupled to the processor, wherein the memory unit is configured to store transaction data received from an acquirer corresponding to a transaction made by a payment card and wherein the processor is configured to determine data representing a point of sale (POS) entry mode of the transaction from the transaction data and, using at least one stand-in rule provided by an issuer of the payment card, process the transaction on behalf of the issuer based on the data representing the POS entry mode, wherein processing comprises one of approving and declining the transaction.Ģ.
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