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Diagram illustrating the payment systems framework overseen by the Central Bank of the Republic of Turkey

Laws & Regulations

What are payment systems according to the CBRT?

Payment systems are the instruments, processes and rules that enable the transfer of funds or securities between participants. This post explains the conditions a structure must meet to qualify as a payment system and the Turkish regulations that govern them.

Diagram illustrating the tokenization and detokenization process for card payments

HCE

What Are Tokenization and Detokenization?

Tokenization generates secure data from a credit card number, using specific algorithms, for use during authorization. In CNP transactions, it removes the risk of storing or compromising the original card number.

Courier handing a package to a customer for cash-on-delivery payment

Merchant & POS

What Is Cash on Delivery?

Cash on delivery means paying for an online order at the moment of delivery, usually in cash, though some e-commerce sites also accept card payment at the door. It boosts sales and builds trust, but carries risks like missing POS terminals and refused deliveries.

Announcement graphic showing the contactless card transaction limit being raised to 500 TL

Credit Card

Contactless transaction limit rising to 500 TL

The BRSA has decided to raise the contactless card transaction limit to 500 TL, effective 1 February. This post explains the change, how PIN entry works above the limit, and how the limit has evolved since 2019.

Comparison of online and offline token verification in payment transactions

HCE

What Are Transaction-Based (Online/Offline) Token Types?

Token types vary depending on the verification method used in a transaction. In offline transactions, general checks are performed by the mobile app and card reader without any verification in the card system. In online transactions, token verification is sent to and verified by the issuer.

EMV Application Version Number on card and terminal

Online & Authorization

Application Version Number

The Application Version Number is the version number of the application on the card. For example, the Visa VSDC application version number is 131, and the Mastercard M/Chip Lite version number is 2.

Bill payment intermediation services illustration

Payment Institutions & E-Money

Who Can Act as an Intermediary for Bill Payments?

Bill payment intermediation is a payment service under Law No. 6493. Only the CBRT and payment service providers, namely banks, electronic money institutions, payment institutions and PTT, can offer it.

Account Information Service Provider concept icon

Payment Systems

What are Account Information Service Providers?

Digital Account Checking underpins many innovative banking and FinTech services. In most cases, it is performed by Account Information Service Providers, which supply data from customers' online bank accounts to other banks and third-party providers.

BKM Express mobile payment application illustration

Credit Card

What is BKM Express?

What is BKM Express? BKM Express is a technical infrastructure solution developed by BKM that lets you pay securely for online purchases without sharing your card's full details. What are the advantages of BKM Express? To register your card you don't need to enter all…