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Subject Product

Samsung PhoneSmartphones that utilize a native or app-driven means of contactless credit/debit payment.

Subject Area

NFC Active Contactless Payment

Subject Details

Customer is charged the pre-auth amount for each transaction.  This is due to Samsung's specific pay encryption format of the following:

For each swipe, Samsung sends over a different credit card number for encryption purposes.  So, therefore, the pre-auth amount is charged at each swipe.  When the amount is settled, the customer is only charged for what they spent at the machine.  *NOTE*  This will be fixed in the August 2019 FasCard Release.

Related Jiras

Jira LegacyserverJIRAcolumnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolutionserverIdbd6969c5-6e00-3c1a-87c3-2565f9424e40keyCRF-392When a customer uses an active NFC device for contactless credit/debit payment, the card number differs from the actual card number of the physical card added to their digital wallet.

What is a Digital Card Number and how is it different from my Card Account Number?

When you add credit/debit cards to smartphone NFC payment systems (e.g. Apple Pay, Google Pay, Samsung Pay), a Digital Card Number is created in place of your Card Account Number.

This number is used when you make a payment with the respective NFC pay services regardless of whether the receiving device utilizes EMV encryption or its required backend checks and processes (or a refund of that payment). As a result, the physical Card Number is not shared with the merchant and won’t appear on the receipt (instead the receipt will display the last 4 digits of the Digital Card Number).

Digital Card Numbers are created each time a card is added, which are applicable in both online and in-person transactions. This same number is also utilized in any voided or refunded transactions made using a smart device.

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