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Illustration symbolizing the shift from search engines to AI-driven decision engines in online shopping

Payment Systems

Agentic Commerce Series - Part 2

If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.

Illustration showing how an Application Identifier (AID) is used in a chip card transaction

EMV

What is an Application Identifier (AID)?

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.

Istanbulkart transit and payment card

Credit Card

Istanbulkart: Both Transit Card and Payment Card

When I think back to the Akbil I used when I first arrived in Istanbul, I think it's fair to say that Istanbulkart has undergone a very significant transformation. Users can now track activity, top up and view balances right from their phones.

Biometric credit card with a fingerprint sensor

Credit Card

What is a biometric credit card?

Technology continues to make our lives easier and more secure. Old ID cards were just laminated paper; new ones became personalized and secure with biometric photos added alongside chip data.

Illustration of an ATM with a voice menu for visually impaired customers

ATM

What Must Banks Do for Visually Impaired Customers?

Banks must provide the infrastructure for ATM access by visually impaired customers. Among ATMs side by side or less than 50 meters apart, only one needs to comply; all other ATMs must serve visually impaired customers. Details of Article 7 are below.

MasterCard Identity Check logo and authentication illustration

Security

What is MasterCard Identity Check?

Payment security is very important in payment systems. To increase security, transactions require additional information such as PINs and passwords. Remembering which information to use, and keeping it in mind without forgetting…

Diagram illustrating the PSD (Payment Services Directive) regulatory framework

Merchant & POS

What is PSD (Payment Services Directive)?

PSD stands for Payment Services Directive, known as the Payment Services Law. It took effect in EU countries in 2009, and in 2015 new revisions were announced as PSD1, aiming to build an efficient, fast, secure, and competitive payment market.