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MasterCard Identity Check logo and authentication illustration

Security

What is MasterCard Identity Check?

Payment security is very important in payment systems. To increase security, transactions require additional information such as PINs and passwords. Remembering which information to use, and keeping it in mind without forgetting…

Numberless bank card design concept with no printed digits

Credit Card

Did Someone Say a Numberless Card?

When we think of a credit card, we picture one printed with the Card Number, Cardholder Name, Expiration Date, and CVV2 information. But what if we told you there is a card with no numbers on it at all? It may sound strange at first, but...

A Cash Deposit Machine (CDM) used for depositing cash directly into a bank account

ATM

What is a CDM (Cash Deposit Machine)?

CDM is short for Cash Deposit Machine. It refers to ATMs that allow you to deposit money directly into your account using a card. You can use CDM ATMs to carry out transactions on your account without visiting a branch.

Illustration representing Strong Customer Authentication (SCA) under PSD2

Payment Systems

What is Strong Customer Authentication (SCA)?

Strong Customer Authentication (SCA) is a security requirement introduced under the EU's Payment Services Directive 2 (PSD2) to increase security and reduce fraud in online payment transactions. SCA requires two of three independent authentication factors.

Google Card, the physical payment card Google is reportedly preparing to rival Apple Card

Credit Card

Meet the Google Card!

After Apple Card, announced last March to great fanfare, Huawei said it would issue a card too. Google has now joined the race among tech companies by announcing a new card of its own.

Diagram of an ATM shutter mechanism for cash deposit and withdrawal

ATM

What is an ATM Shutter?

The shutter can be described as the gate mechanism that prevents financial loss during ATM cash deposit and withdrawal transactions by controlling customer access to cash and preventing tampering with the ATM system.

Illustration of a contactless payment card being tapped on a POS terminal

Contactless

What is Magnetic Stripe Data (MSD)?

As end users, we have come to love contactless payments, which are becoming a bigger part of daily life. So what features let contactless cards make payments without touching the POS terminal? There are two classes: MSD cards and Contactless EMV cards.

Illustration explaining how NFC technology enables contactless payments

HCE

What Is NFC?

NFC, known as Near Field Communication, is a technology that transfers data wirelessly between devices within 10 cm. It is used for data transfer, device pairing, and as the basis of contactless payments.

ATM cash deposit escrow compartment holding banknotes

ATM

What is Escrow?

Escrow acts as a kind of insurance policy in ATM transactions. A third party ensures that the terms of an agreement are met and that money (or other assets) changes hands only once those terms are fulfilled.

Table showing payment system response code values that indicate transaction approval

Online & Authorization

What Are the Response Code Values That Mean Approval?

In payment systems, the result of a transaction is sent in the F39 field. The F39 value is the code indicating the transaction's approval or decline status. It is a 2-character alphanumeric code. When approved, the value is usually 00.

Table of ISO 8583 response codes that trigger card capture

Merchant & POS

What Are the Card Capture Error Codes?

Response codes returned on payment transactions are critical for managing next steps. Curious which error codes trigger card capture? Under ISO 8583, codes 04, 07, 33, 34, 36, 38, 41 and 43 all result in the card being captured.