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  2. Terminal verification results - Wikipedia

    en.wikipedia.org/wiki/Terminal_verification_results

    The TVR is a series of bits set by the terminal reading an EMV card, based on logical tests (for example has the card expired). This data object is used in the terminal's decision whether to accept, decline or go on-line for a payment transaction. The format of the TVR is as follows: [2] [3]

  3. Time-slot interchange - Wikipedia

    en.wikipedia.org/wiki/Time-Slot_Interchange

    In a time-slot interchange (TSI) switch, two memory accesses are required for each connection (one to read and one to store). Let T be the time to access the memory. Therefore, for a connection, 2T time will be taken to access the memory. If there are n connections and t is the operation time for n lines, then t=2nT which gives n=t/2T

  4. EMV - Wikipedia

    en.wikipedia.org/wiki/EMV

    An EMV credit card. EMV is a payment method based on a technical standard for smart payment cards and for payment terminals and automated teller machines which can accept them. . EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standa

  5. Template:CGuest - Wikipedia

    en.wikipedia.org/wiki/Template:CGuest

    Add the new template to the table in the common documentation afterwards. Please consider reusing one of the other templates and please choose the color sensibly. If you find a table cell template that does not take a parameter and you want to be able to change the text in the cell, do not duplicate the template! Instead, edit the template and ...

  6. ISO 8583 - Wikipedia

    en.wikipedia.org/wiki/ISO_8583

    The vast majority of transactions made when a customer uses a card to make a payment in a store use ISO 8583 at some point in the communication chain, as do transactions made at ATMs. In particular, the Mastercard , Visa and Verve networks base their authorization communications on the ISO 8583 standard, as do many other institutions and networks.

  7. Technical Specifications for Interoperability - Wikipedia

    en.wikipedia.org/wiki/Technical_Specifications...

    A Technical Specification for Interoperability (abbreviated as TSI) is a text provided for in European Directive 2016/797 [1] adopted by the European Parliament and the Council of the European Union on the interoperability of the European rail system in accordance with the ordinary legislative procedure.