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HSM & Security
A Trusted Execution Environment (TEE) is an environment where executed code and accessed data are isolated and protected in terms of confidentiality (no one has access to the data) and integrity (no one can alter the code or its behavior). We may not realize it, but many…
Laws & Regulations
Under the Directive, payments made through telecom operators cover the purchase of digital services such as music, digital newspapers, e-tickets or charity donations, within certain amount thresholds.
Payment Systems
If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.
FAST
Current information: This post describes the limit in effect at the time of publication. The FAST transaction limit, introduced in January, was raised periodically and reached 1,000 TL as of January 29. See the newer post for the current FAST limit.
ISO 8583
We covered the ISO 8583 basics in an earlier article. This post explains the ISO 8583 message structure in detail: every ISO 8583 message consists of three main parts - the MTI (Message Type Indicator), the Bitmap, and the Data Elements.
Credit Card
A special data set printed on a card's magnetic stripe, containing the card information required for authorization when the card is used physically. It consists of 40 numeric characters. The Track2 field structure includes several data fields such as length and description.
Credit Card
Track 1 is a special data set encoded on a card's magnetic stripe that contains the card information required for authorization when the card is used physically. It includes the cardholder name, card number, and expiration date.
Agentic Commerce
Can AI Decide on Our Behalf? Letting an AI agent handle research can make life much easier. The real question is where that should stop, and how much decision-making authority we are ready to hand over.
Credit Card
In the standard authorization flow, the transaction is initiated by the acquirer (POS bank) and forwarded to the issuer (card-issuing institution). The process is completed once the issuer responds. However, this isn't always possible; when the issuer fails to respond, BKM steps in...
Entrepreneurship
Neuromarketing is a technique for developing a marketing strategy from the results of closely examining purchasing perception in the human brain, aiming to understand consumer behavior and the psychology behind it.
Payment Systems
Official Gazette No. 32332 dated 07.10.2023 published the amending Regulation and Communiqué covering digital wallets, e-money, share transfers, cloud outsourcing, remote identity verification and card system choice.
Merchant & POS
With the introduction of chip cards into our lives, the terminal needs to verify the credit card before the transaction. So how is this verification performed? The value calculated and sent by the card is called ARQC (Application Request Cryptogram).