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Diagram of the TR QR Code payment flow between cardholder, issuer, BKM and acquirer

Payment Systems

Why Am I Getting an Error When I Try to Pay with a TR QR Code?

In payment or cash withdrawal transactions, the TR QR Code is generated by the POS or ATM. The card issuing bank must build its systems to read and act on this code. Errors usually stem from mishandling the long and short QR code flows, which are explained here.

Illustration representing open banking and banking as a service with digital banking and API connection icons

Open Banking

What are the differences between Banking as a Service and Open Banking?

First, it is useful to briefly recall the concepts of Banking as a Service and Open Banking. Banking as a Service (BaaS) lets interface developers connect directly to service banks' systems via APIs and open banking services to run banking transactions for customers...

Photo of a printed notice about the CBRT amendment allowing payment service providers to create IBANs

Payment Institutions & E-Money

Payment Service Providers Can Now Process Transactions with IBANs

5 August 2021 was a very important day for Turkish payment systems. The CBRT's amendment to the Communiqué on the International Bank Account Number (IBAN) allows payment institutions and e-money institutions to create IBANs as well. This is...

Payment Services Directive PSD1 and PSD2 overview

Payment Institutions & E-Money

What Is the Payment Services Directive?

The first Payment Services Directive (PSD1) was adopted in 2007 to provide the legal basis for a single EU payments market. PSD2, Directive 2015/2366, replaced it to make payments safer, more integrated and more competitive.

Illustration representing QR code payment routing in Turkey

Payment Systems

What are the QR Code Routing System (KYS) Rules?

The purpose of these rules is to set out the operating rules, participation requirements, and pricing principles of the QR Code Routing System (KYS) established and operated by BKM, as well as other procedures related to KYS's operation.

Illustration for a glossary of cryptocurrency terms such as Bitcoin, blockchain and mining

Cryptocurrency

What Are the Terms Used in the Cryptocurrency World?

Cryptocurrencies are becoming part of everyday life and are expected to compete seriously with card payments. This glossary explains the key crypto terms, from address, altcoin and arbitrage to halving, mining, proof of stake and stop-loss.