NON-DEFAULT PAYMENT APPLICATION SELECTION DURING EMV-COMPLIANT PAYMENT TRANSACTION METHOD
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机译:符合EMV的付款交易方法中的非默认付款应用程序选择
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摘要
During recent years, chip-based payment has been changing from mainly physical, like a chipcard, to mainly virtual, such as a software application on a mobile device. Although such mobile devices are very powerful compared to a conventional chip card, the data interactions with POI terminals must still be compliant with the EMV specifications and standards. A computer-implemented payment transaction method is provided comprising: providing a standard EMV Contactless payment transaction protocol POI terminal, receiving from the user interface a selection of either the first or second payment application and modifying the PPSE accordingly; continuing, by the POI terminal, said EMV-compliant payment transaction by selecting the modified PPSE of the identification device; and selecting, by the POI terminal, the user-selected payment application to continue the payment transaction. By implementing such a function selection, new non-EMV compliant functionalities may be quickly added to existing payment-system specific kernels. In addition, by restarting the existing payment transaction instead of starting a new one, it may be quickly restarted using the same amount and the same currency without the need of any merchant interaction. By using existing mechanism already present in the EMV specifications and protocols, Users are given a higher degree of control over the payment applications used to complete payment transactions, and unexpected payments and/or unexpected terminations of payments are less likely to occur when a conflict arises between the contents of the PPSE and the POI terminal capabilities.
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