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"transaction tracking"

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Illustration representing a payment card's transaction history

Credit Card

What Is a Card's First Transaction Date? What Is It Used For?

Banks generally keep a record in the system of a card's "First Transaction Date." This information is automatically populated by the online authorization system. So under what circumstances is it updated? First, an authorization transaction must…

ISO 8583 field 35 Track 2 data

ISO 8583

ISO 8583 Field Descriptions (F35)

The card's Track 2 data is carried in this field. Track 2 data contains information such as the card number, expiry date and service code.

Diagram illustrating the Card Verification Key (CVK) concept

Credit Card

What is CVK (Card Verification Key)?

CVK (Card Verification Key) is the key information used to generate and verify CVV/CVC values, confirming their validity. It is kept as a pair of keys, CVK A and CVK B, encrypted under TMK, ZMK or LMK.

Close-up of the card security code printed on the back of a payment card

Credit Card

What is the Card Security Code?

The Card Security Code is a 3-digit numeric value used for cardholder verification and to reduce fraud risk. It is generated during card production and printed either on the card or encoded into the Track 1 and Track 2 data.

Workflow diagram of bank and courier file integration for card distribution

Courier & Delivery

How Is Bank Integration Done for Card Distribution via Courier?

Courier companies and banks generally carry out the card distribution process through file exchanges. (Some banks also use web service integration; in that case the information normally sent via file is transmitted within the service.) With the courier...

Visa Merchant Purchase Inquiry (VMPI) process diagram

Fraud

What is Visa Merchant Purchase Inquiry (VMPI)?

Chargeback is the process of refunding a credit card payment when the goods or services that should have been received were not, or when transactions not made by the cardholder are identified. In Turkish it is translated as reversal of presentment.

Illustration of an ATM cash dispenser showing the retract and reject cash compartments

ATM

What Is Retract?

Retract is a term used in ATM systems. When cash already presented to the customer is not taken, it is diverted into a compartment called retract, as opposed to the reject compartment used for unusable banknotes.

Illustration of the benefits credit cards provide to merchants

Credit Card

What benefits do credit cards provide to merchants?

At first glance, a credit card seems like a product offered for cardholders' use and benefit, but it also provides significant benefits to merchants, from faster cash flow to collection security and new customers.

Screenshot of the TOTAL mobile payment flow for paying for fuel from the car

Merchant & POS

A New Era in Fuel Retail: Paying Without Getting Out of the Car

Mobile phones are entering our lives more every day. One study found people forget their wallets more often than their phones. This post explains how to buy fuel with TOTAL Mobile Payment and BKM Express without getting out of the car.

Illustration explaining how NFC technology enables contactless payments

HCE

What Is NFC?

NFC, known as Near Field Communication, is a technology that transfers data wirelessly between devices within 10 cm. It is used for data transfer, device pairing, and as the basis of contactless payments.