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Credit Card
PVV is the number encoded on a card's magnetic stripe that allows the cardholder's PIN to be verified by ATMs and POS terminals. It is a 4-digit cryptogram calculated through a cryptographic operation using the PIN and card data. The real result is longer than 4 digits.
ATM
EAST, originally the European ATM Security Team, is a non-profit organization working on ATM security. Founded in 2004, it later broadened its scope and became the European Association for Secure Transactions.
ISO 8583
F42 - CARD ACCEPTOR IDENTIFICATION CODE: the merchant number of the terminal where a transaction took place. It is a 15-character alphanumeric value. Transactions are settled to the merchant's account based on the merchant number in this field.
EMV
The EXTERNAL AUTHENTICATE command asks the application inside the ICC whether it can verify the cryptogram, and the ICC returns the processing status. Below are the components of the External Authenticate command and what issuer authentication means.
Merchant & POS
These are devices connected to a POS terminal that allow fast payments, up to a certain limit, using contactless credit cards or prepaid cards by tapping them on the contactless reader instead of the POS's card reader. Can every POS have a contactless reader attached?
Payment Systems
According to BKM's TR QR Code Technical Principles and Rules Guide for card payments, QR code payment structures apply to EFTPOS, shared EFTPOS, ÖKC, ATMs, payment provider apps, static QR codes and virtual POS.
Online & Authorization
A reference guide to authorization response codes seen on POS and ATM transactions, with plain-language explanations of what each code means and what to do about it.
Security
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.
Credit Card
When banks launch a new card product, they can do it under an existing BIN or a new one. A new BIN requires much more work: BKM announces it, every bank defines it and every POS has to download it.
Payment Systems
BKM Payment Gateway is the general name for platforms that let government institutions accept card payments through BKM as intermediary. For the first time, SGK and e-Government title deed payments can be made with all banking cards.
Payment Systems
Contactless payment has greatly improved the user experience, yet its fixed transaction limit is a common complaint. Can this limit be managed dynamically per customer? This post covers the current situation, technical and regulatory requirements and the outlook.
Merchant & POS
MIV stands for Central Merchant Database. The MIV Module collects information on merchants across Turkey and the TRNC that have card acceptance agreements with BKM members, and assigns each merchant a unique number for tracking purposes.