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Credit Card
PSE (Payment System Environment) is a directory on the card named 1PAY.SYS.DDF01 for a contact chip and 2PAY.SYS.DDF01 for a contactless chip. The Candidate List built via PSE is called indirect or implicit Application Selection.
Cryptocurrency
Cryptocurrencies are becoming part of everyday life and are expected to compete seriously with card payments. This glossary explains the key crypto terms, from address, altcoin and arbitrage to halving, mining, proof of stake and stop-loss.
Credit Card
Issuer Script Results is the field that shows the results of the Issuer Script commands sent to the card. This post explains its byte and bit values, what an issuer script is, why the results matter, and what happens when a command fails.
Merchant & POS
The MCC code, or Merchant Category Code, is a 4-digit code used to classify merchants. Some MCC codes are restricted or prohibited, and POS terminals or card transactions may be blocked when such a code is used.
EMV
DFN is the abbreviation for Dedicated File Name. It defines the name of the DF (Dedicated File) as described in ISO/IEC 7816-4. It is the data found in Tag 84, 5 to 16 characters in length.
ISO 8583
F55 - INTEGRATED CIRCUIT CARD (ICC) SYSTEM RELATED DATA: the field where EMV data is written on chip cards. It consists of components such as Position, Private Data Subelements, PDS Tag, PDS Length, and PDS Value...
Credit Card
A prepaid card is a customized chip or chipless card that is not linked to a bank account and has no credit limit like a credit card. You can only spend up to the amount loaded onto the card.
Credit Card
The Application Interchange Profile indicates the application functions supported by the card. The AIP values and their descriptions are given below. Where is the AIP found? The AIP is a 2-byte piece of data stored on the card, carried under EMV tag 82.
Credit Card
While it is true that, with technological advancement, the trend of using payment transactions without a physical card via mobile phones has increased, there are many reasons why cards are still physically printed and delivered to customers.