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"merchant management"

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Collection POS web-based payment management dashboard

Merchant & POS

What is a Collection POS?

A Collection POS is a secure, web-based payment platform through which businesses and institutions manage their collections and generate the reports they need. Many similar products exist on the market under different names.

FAST TR QR Code payment illustration

Mobile Payments

What Is FAST – TR QR Code?

TR QR Code is the QR code standard defined by the regulation on generating and using TR QR codes in payment services. FAST – TR QR Code refers to the TR QR Code used for payments made through FAST, built on BKM's infrastructure.

Illustration of a Zone PIN Key (ZPK) protecting PIN data in a payment network

HSM & Security

What is ZPK (Zone PIN Key)?

ZPK, also known as the PIN Protection Key, is a data encryption key that is distributed automatically and used to encrypt PINs. It is also referred to as the 'Working Key'. This key allows PIN information to be carried securely across the network.

Diagram of the Chargeback Document Management System (CDYS) process flow

Credit Card

What is the Chargeback Document Management System (CDYS)?

The Chargeback Document Management System (CDYS) is a system developed by BKM to resolve customer disputes over card payment transactions among BKM members, covering Copy Request, Chargeback, Representment, and related processes.

Contactless card payment at a POS terminal after the limit increase to 250 TL

Merchant & POS

Contactless transaction limit raised to 250 TL

Current information: this article describes the limit in force at the time of publication. To reduce the risk of the coronavirus (Covid-19) spreading, the contactless transaction limit on credit and debit cards was raised to 250 lira.

Payment POS terminal reading a bank card at a merchant counter

Payment Systems

Beware of Inefficient POS Terminals and Lines!

Why do institutions track inefficient POS terminals and lines? This post looks at the costs they create, such as device purchases, field service and software fees, and how to deal with merchants that generate little turnover.

BKM HİYS dispute and chargeback management workflow

Chargeback

What Is HİYS (Dispute Management System)?

The Dispute Management System (HİYS) is the system used among BKM members to share chargeback transactions and the supporting documents that must accompany them, linked to Domestic Clearing and Settlement System data.