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Credit card and smartphone illustrating online card payments without physically presenting the card

Credit Card

Do I have to use my physical card when shopping?

In the early years of credit cards, using the card physically was mandatory. With the internet and new technologies, we can now pay with only the card details, 3D Secure and contactless NFC payments, even without the card in hand.

Illustration of digital transformation in payment systems

Merchant & POS

How Digital Are You in Payment Systems?

Digitalization has brought major change to payment systems, just as it has to every area of our lives. Its biggest impact has been turning the financial world into something virtual, spanning IoT, mobile payments, blockchain and biometrics.

Diagram comparing the 3D, 3D Pay, and 3D Pay Hosting payment models

Payment Systems

What are the 3D Secure Payment Models?

In card payment transactions made via a physical POS device, entering the card's PIN keeps the transaction secure, while in virtual POS transactions, security is provided through the 3D Secure flow. Are 3D Secure payment methods standardized? There are 3 different 3D Secure models.

How a business card works for corporate companies

Credit Card

How Does a Business Card Work?

A business card is a card corporate companies use to manage their financial transactions. The application is made in the company's name, and a virtual primary card that is not physically printed is created for the company. Additional cards are then issued to users.

Illustration representing the BKM Payment Gateway

Payment Systems

What is the BKM Payment Gateway?

BKM Payment Gateway is the general name for platforms that let government institutions accept card payments through BKM as intermediary. For the first time, SGK and e-Government title deed payments can be made with all banking cards.

NFC near field communication ISO/IEC 18092 illustration

Payment Systems

What Is ISO/IEC 18092/ECMA-340?

NFC is a data transfer technology developed by Sony and Philips in late 2002 and adopted as an ISO/IEC standard in 2003. ISO/IEC 18092/ECMA-340 (NFCIP-1) is one of the two globally accepted NFC standards.

Table of Reimbursement Attribute values used in the clearing process

Clearing

What is Reimbursement Attribute?

DE03/Reimbursement Attribute carries the Reimbursement Value of a transaction. BKM uses this information as the basis for calculating interchange fees and charges between member banks.

Illustration of a smartphone used as a mobile POS payment terminal

Merchant & POS

Are POS Terminals Becoming Obsolete?

Today, as credit cards shift from physical to virtual use, a similar move has come from the POS side. We have begun to see mobile phones used as POS devices becoming a serious rival to physical POS terminals.

Old mechanical credit card imprinter machine used to transfer embossed card details onto a sales slip

Merchant & POS

What Is an Imprinter?

An imprinter is the name given to devices that transfer all the information embossed on a credit card onto a paper sales receipt. Before POS terminals, it was commonly used by merchants for authorization transactions.

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.