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Credit Card
CPV stands for Card Personalization Validation. It is Mastercard's term for the set of recommendations and instructions defined for the card personalization process. The equivalent for Visa is called GPR (Global Personalization Requirements).
Merchant & POS
The Personal Data Protection Law was adopted by the Grand National Assembly of Turkey on 24/03/2016 and published in Official Gazette No. 29677 on 07/04/2016. It protects individuals' rights in the processing of personal data and sets the rules that data controllers must follow.
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).
Open Banking
NextGenPSD2 is the set of API standards launched by the Berlin Group in 2017, now involving more than 1,700 banks from 20 countries. This post explains what the framework offers to banks, fintechs and third-party providers under PSD2.
Merchant & POS
Contains the EMV steps performed by the Terminal in a transaction. The TSI fields, their possible values, and descriptions of the values are shown below.
EMV
The Visa EAS Server (Extended Access Service) is a server used in Visa’s authentication infrastructure. It was developed to run the cardholder authentication process securely between banks and the Visa network, particularly within Visa Secure (3-D Secure 2.x).
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.
EMV
The Lower Consecutive Offline Limit is the maximum number of consecutive offline transactions allowed by the ICC application, as set by the issuer, on a terminal capable of going online. It is sent in tag 9F14.
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.
Merchant & POS
GO Secure Payment is a system developed by BKM that verifies cardholders using a one-time password (OTP) during online purchases made with TROY cards, providing banks with a secure verification platform without needing to store card data.
Credit Card
iCVV stands for Integrated Circuit Card Verification Value. To prevent fraud, it is a CVV value generated similarly to the card's track data and stored on the card's chip. Visa uses the term iCVV; MasterCard and American Express use their own equivalents.
Merchant & POS
CAVV and AAV are verification codes used in 3D Secure transactions to ensure transaction integrity and security. CAVV is used by Visa, while AAV is used by Mastercard.