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Payment Systems
28 European banks have started working on a cashless payment system cooperation that would operate across Europe independently of existing international schemes such as Mastercard, Visa and Discover.
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.
Fraud
In payment systems, fraud means using someone else's credit or debit card to carry out a transaction at a merchant or ATM, gaining unfair profit and causing loss to the real cardholder, the merchant, or the bank. Fraudsters…
Merchant & POS
It's important to first distinguish between magnetic-stripe and fallback transactions. A magnetic-stripe transaction skips the chip entirely, which lowers its security level compared to a fallback transaction.
HCE
The HCE cloud-based security infrastructure consists of four main pillars: Tokenization, Risk Management, Session Keys, and User/Device Authentication. Tokenization indicates the type of token generation, and there are three different tokenization methods.
Credit Card
The ISO/IEC 7810 standard is an international standard that defines the physical characteristics of cards (credit cards, ATM cards, ID cards, etc.) such as physical dimensions, bending, flame and chemical resistance, temperature and humidity resistance, toxicity, and flammability.
Merchant & POS
In order for a bank's POS devices to process transactions with payment scheme cards (Visa, MasterCard, Troy, etc.), they must pass certain test and control steps. Visa and MasterCard have test tools that include test cards and test scenarios for this purpose…
Merchant & POS
The digital form of Point of Sale (POS) systems is called Digital POS. There is also a software-only subtype called Virtual POS. After Mobile POS (mPOS) and Virtual POS usage became widespread, the term digital POS came to refer to these two products.
Online & Authorization
An APDU is an application-level protocol defined in ISO 7816-4 and used between a smart card and a POS, ATM, etc. There are two types of APDU: Command APDU and Response APDU. The structure of the APDU is given below.
ISO 8583
F55 - INTEGRATED CIRCUIT CARD (ICC) SYSTEM RELATED DATA: the field where EMV data is written on chip cards. It consists of components such as Position, Private Data Subelements, PDS Tag, PDS Length, and PDS Value...
Credit Card
What is BKM Express? BKM Express is a technical infrastructure solution developed by BKM that lets you pay securely for online purchases without sharing your card's full details. What are the advantages of BKM Express? To register your card you don't need to enter all…
HSM & Security
Secure Element Issuer is the stakeholder that provides, maintains, and updates the secure element in cases where mobile payment application and card data are stored in the secure element inside a mobile phone.