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Credit Card
A business card is a card corporate companies use to manage their financial transactions. The application is made in the company's name, and a virtual primary card that is not physically printed is created for the company. Additional cards are then issued to users.
Payment Systems
Couriers are used to physically deliver cards (credit, debit, prepaid) to customers. Here is a brief look at the card's life cycle, from application and printing to courier sorting and final delivery.
Credit Card
With the advancement of technology, the use of credit cards in online transactions and the variety of payment methods have increased. To make an online transaction with a credit card, you need: Card Number, Expiration Date, and CVV2 (the 3-digit number on the back of the card).
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
An installment transaction splits a payment into a set number of installments reflected on the cardholder's statement, when the card and POS bank are the same. For example, a 1000 TL transaction in 5 installments reflects 200 TL per statement period, starting from the first one.
Credit Card
A real attempted card fraud story: a fake Facebook friend request, a promise of free bank points, and a request for card number, expiry date and CVV2. Here is what happened and how to protect yourself.
Payment Systems
Regularly reporting and tracking how many transactions fail at each merchant matters for both the merchant and the acquirer. BKM error codes tell us why POS transactions fail.
Security
Fraud cases where scammers pose as bank staff or other institution employees to obtain citizens' banking information have increased significantly recently. Interestingly, the new fraud trend closely mirrors the steps of a genuine banking procedure.
HSM & Security
ZWK stands for Zone Working Key. It encrypts the PIN so that it can travel securely between different financial institutions, such as the acquiring bank and the issuing bank.
General
Who will win in Agentic Commerce? Owning the customer used to be a huge advantage. Once an agent starts deciding on the customer's behalf, where does the real power move to?
Payment System Institutions
BKM (Interbank Card Center) works through several committees: Security, Operations and Technology, Market Development, Business Development, Chargeback Rules and Arbitration, ATM Sharing, plus arbitration committees. This post outlines each one's duties.
HSM & Security
PEK is the abbreviation for Pin Encryption Key. The role of PEK is to encrypt PINs. There are two types of PEK: TPK (Terminal Pin Key) and ZWK (Zone Working Key).