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Illustration of a new-generation smart cash register combining a fiscal device and a POS terminal

Merchant & POS

What You Need to Know About Smart Cash Registers (OKC)

A smart cash register is a new-generation, IP-based payment recording device that integrates a cash register with a POS terminal. It combines fiscal devices and POS devices in a single unit and transmits data to the Ministry of Finance in real time.

Diagram illustrating the RSA encryption algorithm

HSM & Security

What is RSA (Rivest, Shamir, Adleman) Key?

RSA, first used by Rivest, Shamir and Adleman, is a security algorithm used in digital cryptography. RSA differs from older symmetric algorithms because it enables digital signing and advanced encryption for e-commerce systems and high-profile institutions.

Digital branchless bank concept with a mobile banking app on a smartphone

Payment Institutions & E-Money

Digital Banking Is Coming

Digitalization is showing itself first in banking and payment systems. The BRSA has announced it will begin issuing digital (branchless) bank licenses, opening the way for new digital banks in Turkey under an amendment to Banking Law No. 5411.

Diagram illustrating account-to-account (A2A) payment flow between banks

Online & Authorization

What are A2A (Account-to-Account) Payments?

Account-to-account (A2A) payments can be described as making a payment by transferring money from one bank account to another. Though similar to wire transfer/EFT, combining the transfer with the payment creates a seamless experience.

American Express chargeback reason codes list from the Chargeback and Exception Processing Guide

Chargeback

What Are the American Express Chargeback Reason Codes?

Chargeback reason codes vary by card scheme. The Amex chargeback reason codes and their descriptions are listed below: American Express Chargeback Reason Codes A01 The charge you submitted did not receive a valid authorization approval code for the amount...

Limit Control System (LKS) diagram

Credit Card

What is LKS (Limit Control System)?

Limit Control System (LKS): A system provided by KKB (Credit Bureau of Turkey) that allows customers' limit details to be checked in real time. It provides member banks (or institutions) with information sharing on consumers' credit card limits. Under the regulation by the BRSA...

Illustration representing real-time and near real-time fraud monitoring in payment systems

Fraud

What is Online (Real Time) and Near Online (Near Real Time) Fraud?

Fraud monitoring refers to tracking card transactions through scenarios to detect potential fraud and taking rapid action immediately before or after a transaction occurs - such as identifying a suspicious transaction, calling the customer, or temporarily blocking the card to prevent authorization.

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.