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ATM PIN pad used for entering a card PIN

ATM

How is PIN verification performed at an ATM?

At payment points such as ATMs and POS terminals, the most critical step is PIN verification or verifying the customer through their identity information. However, since ATMs cannot verify a customer's identity, PIN verification becomes more important. So how is it performed?

Dictionary and glossary book representing payment systems terminology

Merchant & POS

Terms that should be in your payment systems glossary

Below are the definitions of the cornerstone terms of payment systems, as established by the Banks Association of Turkey (TBB): debit card, credit card, merchant, cardholder, and more.

Diagram showing the role of the Access Control Server (ACS) in the 3-D Secure authentication flow

Security

What is Access Security Control (ACS)?

Access Security Control (ACS) is the security protocol that the card-issuing bank must maintain in 3-D Secure to support cardholder authentication, functioning as a complete authentication solution for issuers and payment processors.

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.

Screenshot of the Official Gazette announcing Law No. 7192 on payment and securities settlement systems

Laws & Regulations

What Is Law No. 7192 and What Does It Include?

Law No. 7192 amends certain articles of Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions. Announced on 22 November 2019, it entered into force on 01.01.2020.

Virtual currency versus electronic money

Payment Institutions & E-Money

Are Virtual Currency and Electronic Money the Same?

No. Virtual currency is a digital representation of value not issued by any central bank, credit institution or e-money institution. Electronic money is defined in Turkish law and is tied to an electronic money institution.

Electronic money definition illustration

Payment Institutions & E-Money

What Is Electronic Money?

In general, electronic money is monetary value stored on a protected technological device. Turkish law defines it under Law No. 6493 as electronically stored value issued against funds and accepted by third parties as a means of payment.

Mobile phone used to accept payments through the Secure Mobile Payment System

Merchant & POS

What Is Secure Mobile Payment?

The Secure Mobile Payment System is a system permitted by the Ministry, operated under the Revenue Administration (GIB) Communiqué, for sales, payment and collection transactions and the electronic creation, transmission and retention of the related financial documents.