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Illustration representing digital payment methods such as cards and mobile wallets

Merchant & POS

What is Digital Payment?

Payments made over the internet are called digital payments. Card payments, cryptocurrency, and online banking transfers all fall within the scope of digital payment, along with mobile wallets and QR code payments.

Illustration depicting digital POS payment terminals

Merchant & POS

What is Digital 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.

ATM jackpotting attack illustration

ATM

What Is Jackpotting?

Jackpotting describes a method criminals use to steal money from ATMs. With physical access to the machine, they take control of it and make it dispense all of its cash.

Deutsche Bank Tarjeta Calma credit card featuring dynamic CVV technology

Credit Card

Deutsche Bank produces a card with a CVV that changes every 4 hours

Germany-based Deutsche Bank is launching a new credit card in Spain with a dynamic CVV code that changes every four hours, to make online shopping more secure. Deutsche Bank partnered with Mastercard and Idemia for the new card, launched under the Tarjeta Calma brand.

Diagram of a smartphone using Magnetic Secure Transmission (MST) to emit a signal that mimics a card's magnetic stripe at a POS terminal

Merchant & POS

What is MST (Magnetic Secure Transmission)?

Magnetic Secure Transmission (MST) is a mobile payment technology in which devices such as smartphones emit a signal that mimics the magnetic stripe on a traditional payment card, letting a physical card's POS use be imitated without upgrading terminal software or hardware.

Payment card being checked against a card recovery bulletin of problem cards

Merchant & POS

What Is a Card Recovery Bulletin (Card Protection Bulletin)?

A Card Recovery Bulletin is a list of problem cards (lost, stolen, expired, over-limit, counterfeit or otherwise flagged) published by card schemes such as Visa or MasterCard. It shows whether a card number is listed on the date of purchase.

Old mechanical credit card imprinter machine used to transfer embossed card details onto a sales slip

Merchant & POS

What Is an Imprinter?

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.

Example of a POS transaction receipt (slip)

Merchant & POS

Don't Dismiss the POS Receipt

In daily credit card purchases, the POS produces two receipts: the Customer Copy and the Merchant Copy. The cardholder gets the customer copy; the merchant keeps its own copy by law.

Diagram explaining PVKI and PVV calculation in card PIN verification

Credit Card

What Is PVKI (PIN Verification Key Index)?

PVKI is the abbreviation for PIN Verification Key Index. It is located within the card's Track 1 and Track 2 data and is used in PVV calculation. It can take values from 1 to 6, usually defaulting to 1.

Diagram illustrating the structure of Track3 data on a payment card

Credit Card

What Is Track3?

Track3 is a field that doesn't need to be written to the card's magnetic stripe. It's used only in very specific cases and isn't required for authorization transactions. Issuers generally don't encode Track3 data onto the card's magnetic stripe. It consists of 104 numeric characters.

Diagram illustrating the tokenization and detokenization process for card payments

HCE

What Are Tokenization and Detokenization?

Tokenization generates secure data from a credit card number, using specific algorithms, for use during authorization. In CNP transactions, it removes the risk of storing or compromising the original card number.