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Credit Card
CVV is a very critical 3-digit value used during a card's authorization process. The CVV value is encoded in the card's magnetic stripe data (Track 1 and Track 2). Is it generated by an algorithm or chosen at random?
Security
Payment security is very important in payment systems. To increase security, transactions require additional information such as PINs and passwords. Remembering which information to use, and keeping it in mind without forgetting…
Credit Card
Current information: this post describes the limit that applied at the time of publication. According to a BRSA letter to banks, the PIN-free contactless transaction limit, raised to 750 TL in July 2022, will become 1500 TL from 1 July 2024.
Open Banking
Embedded Finance means integrating financial products and services into non-financial platforms, experiences or business processes. In other words, services offered by financial institutions become part of the product or service flows of non-financial organizations.
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.
Cryptocurrency
Bitcoin is a digital currency launched experimentally in 2009 by Satoshi Nakamoto. It has no ties to any central bank, can be bought and sold with national currencies and can be transferred without any intermediary.
Payment Systems
An official BRSA letter to banks announced an update to the PIN-free contactless payment limit. From January 15, 2026, contactless payments of up to 2,500 TL can be made without entering a PIN, up from the current 1,500 TL.
Credit Card
If your card is broken, call your bank's Customer Contact Center to request a renewal. Since the card number usually stays the same after renewal, this is convenient for you. If you'll keep using the card, don't set it to Closed or Cancelled status.
Closed-Loop Payments
Is Alipay a payment system, or a digital economy? In the previous post we discussed how Starbucks shows that payment systems can evolve into a different structure. At first the goal was to make payment easier for the customer. As the system grew, loyalty programs...
Security
With Chip&Pin technology, card PINs and chip-based transactions became widespread. As online shopping grew, strengthening the security of these transactions became a necessity, and OTP began providing that transaction security.
Credit Card
After Apple Card, announced last March to great fanfare, Huawei said it would issue a card too. Google has now joined the race among tech companies by announcing a new card of its own.
Payment Systems
Major technology companies' love for payment systems shows no sign of ending; in fact, some are just getting started. Apple, Huawei, and Google had previously announced plans to issue cards. According to new reports, Samsung is joining them.