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Payment transaction success rate metric

Merchant & POS

What Is the Transaction Success Rate?

The Transaction Success Rate (TSR) is a key performance metric measuring the percentage of attempted payment transactions that complete successfully, and a critical indicator of overall payment health.

Credit card with a built-in fingerprint sensor for biometric cardholder verification

Credit Card

Who Wouldn't Want a Credit Card with a Biometric Reader?

Card security is critical in card payment systems. Chip&Pin curbed much fraud, but gaps remain. Cornercard, Gemalto and Visa launched Switzerland's first credit card with a built-in fingerprint reader. Here is how it works.

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.

Account Information Service Provider concept icon

Payment Systems

What are Account Information Service Providers?

Digital Account Checking underpins many innovative banking and FinTech services. In most cases, it is performed by Account Information Service Providers, which supply data from customers' online bank accounts to other banks and third-party providers.

Smartphone being used as a mobile POS device for a card payment

Merchant & POS

Mobile Phones Are Turning Into POS Devices

With advances in technology, mobile phones can now be used for many functions besides calls and internet access. One such innovation is the ability to use smartphones or tablets as POS devices.

Diagram illustrating the NextGenPSD2 framework for open banking APIs

Open Banking

What Is NextGenPSD2?

NextGenPSD2 is the set of API standards launched by the Berlin Group in 2017, now involving more than 1,700 banks from 20 countries. This post explains what the framework offers to banks, fintechs and third-party providers under PSD2.

Illustration showing how an Application Identifier (AID) is used in a chip card transaction

EMV

What is an Application Identifier (AID)?

The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.

Table listing Turkish bank names alongside their EFT codes

Online & Authorization

What are Bank EFT Codes?

Below are the EFT codes of banks located within Turkey, which are used both during the payment systems authorization stage (Field 32) and in banking transactions.

Illustration representing the products and services KKB offers directly to its member institutions

Credit Card

What Products and Services Does KKB Offer Directly to Members?

KKB was established, under banking law, to enable the exchange of all kinds of information and documents among at least five banks, and it also shares credit information about customers. The Credit Bureau of Turkey also serves deposit banks, participation banks, financial institutions, and more.