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Payment Systems
The domestic authorization flow for below-CVM-limit online contactless transactions has changed. Issuers can now ask the cardholder for a PIN or request card insertion instead of simply approving or declining. This post explains the CVM list and the new DE48 PDS22 and DE39 = 65 message flows.
Credit Card
With economic crises and the pandemic, the number of people struggling to pay has risen. Under the Turkish Civil Code, only the cardholder is responsible for their credit card debt, unless you are a guarantor or inheritance rules apply.
Credit Card
In the world of payment systems, just as credit cards are an indispensable product, a payment scheme is indispensable for credit cards. When a credit card product is launched, the scheme it will be issued under is decided first.
Credit Card
A credit card is one of the most important payment tools in our lives, which is why keeping it secure is extremely important. So how do we secure a credit card? The most important security measure is the card PIN.
Merchant & POS
Isbank, a leading player in accepting payments from abroad in Turkey, has started accepting Discover and Diners Club cards via an agreement with Discover Financial Services, making it the bank accepting the most card brands in the country.
EMV
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.
Payment Systems
BKM, short for Interbank Card Center, is a legal entity established in 1990 with contributions from 13 public and private Turkish banks to provide clearing and settlement for cards.
E-commerce
BKM Express has pioneered card storage and digital wallets in Turkey. After the Competition Authority's termination decision, a Board decision revoked it, so BKM Express will continue. Here is the latest situation.
Merchant & POS
DDOL is the list of data a card needs when the DDA method is used during Data Authentication. If the DDOL is not present on the card, the terminal may keep a default DDOL list instead.
Merchant & POS
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.
Credit Card
CVR (Card Verification Results) refers to the results of checks performed on the card. In short, it can be described as keeping the card's transaction log. BYTE 1 Bit 8-7: 00 = The second GENERATE AC command returned an AAC cryptogram (decline)...
Credit Card
Data on card payments made online in Türkiye is shared by BKM, updated monthly by number and value of transactions. Here is the link and how to interpret the figures.