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Credit card being inserted into a merchant POS terminal

Credit Card

What Is the Transaction Life Cycle in the Card World?

As credit cards become more and more a part of our lives, we now make almost all our purchases without cash. We inserted our card into the merchant's POS. We made a 100 TRY sale transaction. We received a receipt confirming it was successful.

Credit card lying on a flat surface representing a supplementary card linked to a primary account

Credit Card

What Is a Supplementary Card?

A financial card product issued against a primary card, with its own card number, expiration date, authority, limit, and PIN. Using a supplementary card is ideal for making purchases from more than one card while keeping all spending on a single statement.

POS terminal used for EMV card payment processing

Merchant & POS

TVR (Terminal Verification Results)

Terminal Verification Results (TVR): a sequence of bits produced when a terminal reads an EMV card, based on logical checks such as an expired card. This data object is used to decide whether a payment transaction should be accepted online, declined, or allowed to proceed.