Merchant & POS
Don't Dismiss the POS Receipt
In daily credit card purchases, the POS produces two receipts: the Customer Copy and the Merchant Copy. The cardholder gets the customer copy; the merchant keeps its own copy by law.
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"digital identity"
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Payment Systems
What are Payment Systems?
Let's talk about payment systems, which we have heard more about since the internet entered our lives, and the basic structures behind them. The first credit card in the world was used in America in the 1920s.
HSM & Security
What is a transaction performed with stored card data (Credential-on-File)?
Non-face-to-face transactions in which the cardholder authorizes the merchant to store card data, and the merchant uses that stored data to carry out the transaction, are called Credential-on-File (CoF) transactions.
Merchant & POS
What Is a Card Recovery Bulletin (Card Protection Bulletin)?
A Card Recovery Bulletin is a list of problem cards (lost, stolen, expired, over-limit, counterfeit or otherwise flagged) published by card schemes such as Visa or MasterCard. It shows whether a card number is listed on the date of purchase.
Credit Card
Standards that define credit card design and operation
When payment systems come to mind, credit cards are usually the first thing people think of. Credit cards are produced according to specific standards, both in visual design and during printing. These standards belong to the ISO/IEC 781X family.
Credit Card
How Can I Check My Credit Card Debt?
In the past, banking transactions could only be carried out at branches, but with the advance of technology, customers can now complete their transactions through many channels without visiting a branch. Checking credit card debt is one of these.
3D Secure
Isbank becomes the first Visa member in Europe to adopt 3D Secure 2.0
Isbank (Turkiye Is Bankasi) has completed Europe's first migration to EMV 3D Secure 2.0, the current version of the 3D Secure authentication infrastructure used to verify cardholders in online card purchases. Deputy General Manager...
Laws & Regulations
The Regulation on the Accessibility of Banking Services and What It Contains
The articles of the Regulation on the Accessibility of Banking Services are listed below. Published in the Official Gazette on 18 June 2016 (issue 29746), banks must strictly comply with them. PART ONE Purpose...
Credit Card
How do I pay my credit card debt?
In the past, banking could only be done at branches, but with technology, customers can now check and pay credit card debt through ATMs, branches, internet banking, mobile banking, and the PTT post office.
ISO 8583
ISO 8583 Field Descriptions (F11)
DE 11 - SYSTEMS TRACE AUDIT NUMBER: A 6-digit unique numeric value generated by the message originator, enabling unique tracking of the transaction. How is STAN generated?
ISO 8583
ISO 8583 Field Descriptions (F7)
F7 - TRANSMISSION DATE AND TIME: the field containing the moment the initiating party started the transaction. It is a 10-character numeric value in MMDDhhmmss format.
ISO 8583
ISO 8583 Field Descriptions (F90)
F90 - ORIGINAL DATA ELEMENTS: the data elements from an original message, designed to identify the transaction in correction or reversal transactions. Subfields: Original MTI, Original DE 11 (STAN), Original DE 7, Original DE 32, Original DE 33.