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231 articles found
Contactless
The no-PIN limit for contactless payments has been raised from 250 TL to 350 TL. Contactless payments up to 350 TL can be made without a PIN; above that, they are made contactless with a PIN.
Merchant & POS
In EMV-based debit card transactions, PIN verification is decisive for both security and liability. What happens when a card that only supports online PIN is sent to the issuer without a PIN, and the issuer approves it? Who owns the risk?
Laws & Regulations
A prepaid card used only in brand X's stores is considered to be used “only within a limited network of service providers”, and therefore outside the scope of the Law under Article 18(5). Each business model must still be assessed separately.
Credit Card
The PIN Try Counter is a value stored on the card's chip showing the number of remaining offline PIN attempts. Each incorrect offline PIN entry decreases it by 1, and it resets when the correct PIN is entered.
Merchant & POS
An offline transaction is one approved by the card and the POS themselves, without going to any system (the card's bank or the POS's bank), when a chip card transaction is made at a POS. For this reason, some sectors considered risky are restricted.
Credit Card
Credit cards and POS are two core products banks offer customers. At first glance, credit cards seem to generate no return beyond interchange fees, card fees, and late fees.
Laws & Regulations
A prepaid card used only for transport is considered to be used “only to purchase a limited range of services” and therefore outside the scope of the Law under Article 18(5). Each business model must still be assessed separately.
Merchant & POS
CAT (Cardholder Activated Terminal) devices are typically unattended terminals that accept various payment cards. These terminals are frequently installed at railway ticket stations, gas stations, toll roads, parking lots, and other commercial locations.
HCE
The token used in HCE transactions contains more than just a new number derived from the card number. It also includes single-use keys, an expiration date, RSA keys and certificates, transaction limits, and an Application Transaction Counter (ATC).
Credit Card
Ali joined a bank's “shop 4 times at merchant X and earn Y TL” campaign. Fifteen days after being told 40 TL had been loaded onto his card, the merchant told him he had no points left. Here is what went wrong.
Online & Authorization
These are codes that communicate the issuer's conditions for approving a transaction online (IAC-Online), for declining it (IAC-Denial), or for declining it when the terminal cannot go online (IAC-Default).
Credit Card
According to a survey by the Interbank Card Center measuring card usage habits in Turkey, card usage is increasing every day. Credit card preference rose from 61% in 2015 to 68% in 2017, while cash preference fell from 35% to 27%.