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Illustration representing electronic payment systems

Payment Systems

What are Payment Systems?

Let's talk about payment systems, which we have heard more about since the internet entered our lives, and the basic structures behind them. The first credit card in the world was used in America in the 1920s.

Photo of a POS terminal related to Terminal Action Code settings

Merchant & POS

Terminal Action Code (TAC)

These are codes placed into the terminal software by the acquirer that govern the rules for whether transactions go online or are declined, covering offline approval, offline decline, and online submission due to issuer risk...

Diagram of the Shared POS Management System (OPYS)

Merchant & POS

What Is the Shared POS Management System (OPYS)?

Developed by BKM and made available to banks, OPYS centrally supports setting up multi-application POS terminals shared by multiple members, inviting other members, adding or removing them, and managing field company relationships.

ATM machine card slot

ATM

Why Does an ATM Swallow Your Card?

ATMs make many banking transactions faster and easier, but like any electronic device they can run into trouble, including swallowing your card. Here is why it happens and what to do.