Search
302 articles found
Merchant & POS
A POS is a functional device with its own dedicated software, customized according to the authorization system of the bank it is connected to, that accepts credit or debit cards. So, banks abroad launch dozens of new card products every day…
Merchant & POS
An offline transaction is one in which the card and POS terminal approve the transaction based on their own parameters, without contacting their banks. Whether contact or contactless, the device decides whether the transaction is processed offline.
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.
Laws & Regulations
Law No. 6493, published in Official Gazette No. 28690 on 27 June 2013, regulates the procedures and principles for payment and securities settlement systems, payment services, payment institutions and e-money institutions.
Payment Systems
In payment systems, an “appeal” is the process of objecting to the outcome of a transaction dispute. It is usually discussed alongside chargebacks, but it plays a critical role in interbank dispute resolution, when a party asks the card scheme to re-evaluate a concluded decision.
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.
Merchant & POS
Mail order transactions are preferred by cardholders because they only block the card limit by the installment amount, creating a sales opportunity for merchants. But is the remaining balance guaranteed?
Debit Card
When we think of online shopping, we usually picture paying with a credit card. But can customers without a credit card, only an ATM card, shop online? Of course they can — you don't need a credit card to enjoy the convenience of e-commerce.
Credit Card
The name for a list of problematic cards — lost, stolen, expired, over-limit, counterfeit, or otherwise flagged — published by card companies like Visa and MasterCard. Mastercard calls it the 'MasterCard Warning Notice'.
Credit Card
CVK (Card Verification Key) is the key information used to generate and verify CVV/CVC values, confirming their validity. It is kept as a pair of keys, CVK A and CVK B, encrypted under TMK, ZMK or LMK.
E-commerce
Making payments over the internet using a card is called online payment. Learn what online payment systems are used for and what happens behind an online transaction, from the payment gateway to the issuing bank.
Merchant & POS
The checkout page is where an online purchase is completed, and cart abandonment is highest there. This post lists design tips: support all cards, limit transition pages, show security cues, allow guest checkout and remove distractions.