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Illustration representing a payment card's transaction history

Credit Card

What Is a Card's First Transaction Date? What Is It Used For?

Banks generally keep a record in the system of a card's "First Transaction Date." This information is automatically populated by the online authorization system. So under what circumstances is it updated? First, an authorization transaction must…

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 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.

Contactless card payment at an overseas POS terminal that prompts for a PIN after a limit is exceeded

Payment Systems

Visa Overseas Contactless Transactions – After Code 70 (Part 2)

After switching to response code 70 for contactless limit-exceeded cases, we found that some overseas POS devices and acquirers did not handle it as expected. This post covers why the problem lies in the ecosystem and how to address it.

Illustration symbolizing the shift from search engines to AI-driven decision engines in online shopping

Payment Systems

Agentic Commerce Series - Part 2

If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.

Mir, the Russian national payment scheme, shown on a payment card

Credit Card

What Is MIR, the Russian Payment Scheme?

Mir means World and Peace. It is a national payment system established by a law adopted by the Central Bank of Russia on 1 May 2017. It is currently accepted mostly by Russia-based companies, but acceptance is gradually spreading.

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.