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Author

Arif Ünal

Payment systems expert and technology executive

Arif Ünal is a technology executive with more than 20 years of experience in banking, fintech and payment systems. He writes about card payments (issuing and acquiring), POS, ATM, e-money, FAST and Turkish payments regulation (BRSA and CBRT). He has held senior roles at Finagotech and managed payment systems and digital banking teams at Emlak Katılım, Vakıf Katılım and Türkiye Finans. He holds a B.Sc. in Industrial Engineering from Istanbul University and an M.Sc. in Management Information Systems from Marmara University.

976 articles

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.

Visa logo shown as part of the company's rebranding

Payment Systems

Why Did Visa Update Its Logo?

Visa announced a rebrand and a new logo that partly drops the wordmark. Here is why the payments giant made the change, what the new logo looks like and where it will first be shown.

Infographic of BKM card payment statistics for the first six months of 2021

Payment Systems

BKM Announces Data for the First 6 Months of 2021

The Interbank Card Center (BKM) shared its data for the first 6 months of 2021: card payments totaled TRY 709 billion, online card payments reached TRY 188 billion, and the number of contactless payments tripled year on year.

FAST instant payment limit raised to 2,000 TL

Laws & Regulations

FAST Limit Being Raised to 2,000 TL

The upper limit for FAST transactions, raised to 1,000 TL on 29 January 2021, was increased to 2,000 TL on 4 August 2021, and payment and e-money institutions began applying to join the system.

Illustration of the BRSA regulation on credit card installment limits

Credit Card

BRSA Tightens Credit Card Installment Limits

The BRSA has restricted the number of installments on credit card transactions depending on the sector, aiming to keep household spending from exceeding income. This post covers the new installment limits for furniture, white goods, TVs, gold, vehicle loans and the higher risk weights.

Contactless payment being made with a card at a POS terminal

Online & Authorization

When Does a Contactless Transaction Post to the Account?

A contactless transaction is a fast, secure payment made without direct contact between the card and the POS terminal (without reading the chip or magnetic stripe). Can every card be used for contactless payments? For a transaction to be contactless…

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.

BKM TRIP platform login screen for bank fraud and chargeback communication

Chargeback

What is TRIP (Turkey's Communication Platform)?

TRIP (Turkey's Communication Platform) is a central platform developed by BKM to fight fraud, bringing together Case Filing, Issuer and Acquirer Chargeback operations (Pre-Arbitration, Pre-Compliance, Arbitration, Compliance), and ATM deposit/payment dispute operations.

Illustration representing the chargeback and dispute process in card payments

Chargeback

What Are the Domestic Exceptions to Chargeback Rules?

A chargeback is the refund of an amount paid by credit card to the cardholder's card when the purchased goods or services were not received, or when a transaction was not actually carried out by the cardholder.

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