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Payment System Institutions
UnionPay Online Payments (UPOP) lets merchants in China, New Zealand, Australia and other countries extend their e-commerce stores to accept UnionPay payments. UnionPay supports over 5 billion cards in more than 140 countries.
Merchant & POS
In the first post I explained what closed-loop payment systems are and how they differ from open-loop ones. Many of the replies I received boiled down to one question: how do these systems actually work behind the scenes once a QR code is scanned?
Open Banking
Embedded Finance means integrating financial products and services into non-financial platforms, experiences or business processes. In other words, services offered by financial institutions become part of the product or service flows of non-financial organizations.
Credit Card
Major Industry Identifier (MII) is the first digit of a credit card number, representing the category of the institution that issued the card. The MII values and their corresponding categories are listed below.
Credit Card
While the use of physical cards and POS terminals is gradually declining, positive developments continue, such as the world's first wooden card, TreeCard, backed by the search engine Ecosia and aimed at reforesting the world.
Payment Systems
The rules in this guide relate to the processing of Transactions and Payment Transactions made with Mastercard-branded cards. Here are the key definitions and where to find the document.
Credit Card
Payment systems are changing fast, and new players are emerging. The Advantage Card, the first installment credit card in Turkey and Europe, did not come from a bank, which holds lessons for today's fintech entrepreneurs.
Credit Card
The service code is information printed on a card's Track 1 and Track 2 data, covering card type, PIN usage, and domestic/international usage status. It is kept at the product level in bank systems.
Merchant & POS
Payment systems once meant a physical card and a PIN on a POS device. Digitalization that began with contactless transactions has accelerated with mobile payments, and MasterCard is now working on voice shopping and Soft POS in Turkey.
EMV
The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.
3D Secure
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
A card scheme organization establishes a debit, credit or prepaid card system and authorizes entities to issue cards or sign merchant agreements. Troy, Visa, Mastercard, American Express, JCB and MIR are examples. This post explains how ATM and POS certification works.