Payment Systems
Agentic Commerce Series - Part 2
If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.
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183 articles found
Merchant & POS
What Is Card Storage?
Card storage is a system, secured with PCI DSS certification, for storing credit and debit card details safely. It saves consumers from entering their card details again and again on frequent purchases.
3D Secure
Isbank becomes the first Visa member in Europe to adopt 3D Secure 2.0
Isbank (Turkiye Is Bankasi) has completed Europe's first migration to EMV 3D Secure 2.0, the current version of the 3D Secure authentication infrastructure used to verify cardholders in online card purchases. Deputy General Manager...
Credit Card
Why Was the Credit Card Minimum Payment Threshold Raised to TRY 100,000?
The BRSA raised the card limit threshold used to set the minimum payment rate from TRY 50,000 to TRY 100,000. This post explains what changed, why now, the short-term relief, the risk of carried-over balances, and which data to watch.
Merchant & POS
What Are POS Sub-Protocols and Their Use Cases in Turkey?
In payment systems, every exchange between POS devices and bank or payment institution systems runs on a specific messaging standard, generally based on ISO 8583. However, each country, bank, or switch network defines its own version of this standard.
Credit Card
What Is Application Label?
A mandatory alphanumeric field, 1-16 characters, sent in tag 50 of EMV transactions, representing a name related to the card application's AID in the ADF.
Credit Card
What is PSE (Payment System Environment)?
PSE (Payment System Environment) is a directory on the card named 1PAY.SYS.DDF01 for a contact chip and 2PAY.SYS.DDF01 for a contactless chip. The Candidate List built via PSE is called indirect or implicit Application Selection.
Payment Institutions & E-Money
What Is Open Banking?
Open banking means sharing customers' financial information with a third-party fintech company so that a range of banking and financial services can be offered to them. It works through API integrations. This post covers its status in Turkey and the new BRSA regulation.
HSM & Security
What is PEK (Pin Encryption Key)?
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).
Credit Card
Is the CVV/CVC Code Always 3 Digits?
First, let's briefly explain CVV/CVC. CVV stands for Card Verification Value, a term used for Visa. CVC stands for Card Verification Code, a term used for MasterCard. The CVV/CVC code is used for cardholder verification and to reduce fraud risk.
E-commerce
What is a marketplace?
A marketplace is an online payment platform where buyers and sellers come together, where products and services are listed for sale, and other operations are facilitated.
Security
What is Software-based PIN Entry on COTS (SPoC)?
Published by the PCI SSC, Software-based PIN Entry on COTS (SPoC) is a standard that provides a software-based approach for protecting PIN entry on commercial off-the-shelf devices such as smartphones and tablets.