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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.

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.

Online shopping cart on a laptop illustrating cart abandonment in e-commerce

Merchant & POS

How to Reduce the Cart Abandonment Rate

One of the biggest problems for e-commerce companies is attracting customers to their sites, but getting visitors to actually buy is just as hard. This post covers practical ways to reduce cart abandonment, from guest checkout to fast payment options.

EMV Application Version Number on card and terminal

Online & Authorization

Application Version Number

The Application Version Number is the version number of the application on the card. For example, the Visa VSDC application version number is 131, and the Mastercard M/Chip Lite version number is 2.

PIN pad device connected to a POS terminal

Merchant & POS

What Is a PIN Pad Device?

A PIN pad lets cardholders safely enter their PIN during POS transactions and lets contactless cards be tapped to transfer card data to the POS. Here is how it works.

Diagram illustrating the EMV Tag-Length-Value (TLV) data structure used in card transactions

Online & Authorization

What are EMV Tags?

In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.

Illustration of contactless payment transaction limits

Merchant & POS

What Are the Limits Used in Contactless Transactions?

Current information: This article describes the limit as of its publication date. For the current contactless (no-PIN) transaction limit, see the linked article. The introduction of contactless transactions brought new concepts and structures.

Istanbulkart transit and payment card

Credit Card

Istanbulkart: Both Transit Card and Payment Card

When I think back to the Akbil I used when I first arrived in Istanbul, I think it's fair to say that Istanbulkart has undergone a very significant transformation. Users can now track activity, top up and view balances right from their phones.

Diagram illustrating the Store and Forward (SAF) offline transaction process

Payment Systems

What is Store and Forward (SAF)?

Store and Forward (SAF) describes offline transaction processing. It was originally developed when modems were introduced and connections were not always stable, letting terminals store transactions and forward them once connectivity is restored.

Visa Merchant Purchase Inquiry (VMPI) process diagram

Fraud

What is Visa Merchant Purchase Inquiry (VMPI)?

Chargeback is the process of refunding a credit card payment when the goods or services that should have been received were not, or when transactions not made by the cardholder are identified. In Turkish it is translated as reversal of presentment.

Payment card being swiped on a tampered POS device in a credit card fraud scheme

Credit Card

A New Method in Credit Card Fraud!!

Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.