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Security
“Software-based Mobile Payment Security Requirements” is a document published by EMVCo in April 2020 to guide payment application developers in building secure payment applications. This post summarizes its purpose and who it concerns.
Credit Card
CVV is a very critical 3-digit value used during a card's authorization process. The CVV value is encoded in the card's magnetic stripe data (Track 1 and Track 2). Is it generated by an algorithm or chosen at random?
Debit Card
We previously explained detailed information about Mifare cards at the link below: https://unalarif.com/yazi/mifare-kart-nedir/ Now let's list the technical features of Mifare cards.
Cryptocurrency
Cryptocurrencies are becoming part of everyday life and are expected to compete seriously with card payments. This glossary explains the key crypto terms, from address, altcoin and arbitrage to halving, mining, proof of stake and stop-loss.
EMV
AID tells the terminal which applications are present on a chip when a transaction is performed via POS/ATM. It is a 5-16 digit value in Tag 9F06, used to identify chip applications by card scheme.
Credit Card
CVK (Card Verification Key) is the key information used to generate and verify CVV/CVC values, confirming their validity. It is kept as a pair of keys, CVK A and CVK B, encrypted under TMK, ZMK or LMK.
Merchant & POS
An imprinter is the name given to devices that transfer all the information embossed on a credit card onto a paper sales receipt. Before POS terminals, it was commonly used by merchants for authorization transactions.
Credit Card
CNP refers to a transaction made through a website or a company's own app payment page, where the card is not read by any device and its details are entered manually. It is short for Card Not Present.
Merchant & POS
UnionPay International (UPI) is a China UnionPay subsidiary founded in November 2012. Together with more than 1,000 institutions worldwide, UPI provides international card acceptance in 160 countries and card issuance in more than 40 countries and regions.
Credit Card
The service code is information printed on a card's Track 1 and Track 2 data, covering card type, PIN usage, and domestic/international usage status. It is kept at the product level in bank systems.
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).
Credit Card
Although debit cards and credit cards look similar in appearance, there are fundamental differences between them, from cash advances to installments and security.