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ATM
RKL is the process of distributing a TMK (Terminal Master Key) to each terminal from a central point. It is used to remotely load keys onto POS and ATM devices, loading TMKs onto an ATM's keypad or activating them on a POS.
EMV
The Application Unblock command removes the block placed on an application by the Application Block command, making the application usable again. Like Application Block, it is a command sequence managed after the card is presented to the terminal.
Security
Fraud means obtaining unjust gain by carrying out a transaction at a merchant or ATM using someone else's credit card or debit card, causing a loss to the real cardholder, the merchant, or the bank. So what fraud codes do Visa and Mastercard use?
Credit Card
A prepaid card is a customized card, with or without a chip, not linked to a bank account and without a credit limit like credit cards, letting you spend only the amount loaded onto it.
Credit Card
Yes. American Express cards have a 4-digit CVV on the front and a 3-digit CVV on the back, like other cards. Here's how payment forms should handle both formats and why logging the security code is never allowed.
ATM
ATM maintenance is essential for ATM longevity. SLM (Second Line Maintenance) covers repairs that require a toolkit and part replacement, usually without access to the ATM safe, while FLM handles simpler cash and consumable tasks.
Contactless
It is important to use contactless cards to prepare our payment habits for the future. In Turkey, one in every 3 cards and one in every 4 POS terminals is contactless-enabled, yet usage remains around 5%.
Merchant & POS
Today, as credit cards shift from physical to virtual use, a similar move has come from the POS side. We have begun to see mobile phones used as POS devices becoming a serious rival to physical POS terminals.
Credit Card
Amex is short for American Express, a payment scheme like Mastercard, Visa, or TROY. Learn its history, what sets Amex cards apart, and whether every website accepts them.
Merchant & 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.
Laws & Regulations
BKM (Interbank Card Center) membership is available in 3 statuses: bank, institution or HSK. This post explains the eligibility criteria for each status, the 12-month certification requirement and the BKM fee principles.
Fraud
With the growth of credit and debit card usage and rising e-commerce transaction volumes, there has been a serious increase in exploiting user negligence to harm customers. Fraud means using someone else's card at a merchant or ATM to gain unjust profit.