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Secure Card Reader for PIN with mobile device

Security

What Is a Secure Card Reader for PIN (SCRP)?

A Secure Card Reader for PIN (SCRP) is a multi-function card reader that turns any iOS, Android or Windows device into a payment terminal able to accept chip and contactless payments with PIN.

mPOS mobile point-of-sale payment solution using a smartphone and card reader

Payment Systems

What is mPOS?

mPOS is short for Mobile POS, a digital POS solution that enables payment acceptance via smartphones/tablets without a standard POS terminal. It is formed by combining a card reader with a mobile device such as a smartphone or tablet...

Diagram of the committees within the BKM system

Payment System Institutions

What are the committees in the BKM system?

BKM (Interbank Card Center) works through several committees: Security, Operations and Technology, Market Development, Business Development, Chargeback Rules and Arbitration, ATM Sharing, plus arbitration committees. This post outlines each one's duties.

Illustration showing how an Application Identifier (AID) is used in a chip card transaction

EMV

What is an Application Identifier (AID)?

The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.

Illustration of a smart card chip related to the ISO/IEC 7816 standard

Credit Card

What is ISO/IEC 7816?

ISO/IEC 7816 is an international standard jointly maintained by ISO and IEC, covering contact-based electronic identification cards, especially smart cards. It consists of 15 different parts, each covering a different aspect of smart card technology.

Illustration representing Merchant Category Code classification for card transactions

Merchant & POS

What Does a Restricted/Prohibited MCC Mean?

The MCC code, or Merchant Category Code, is a 4-digit code used to classify merchants. Some MCC codes are restricted or prohibited, and POS terminals or card transactions may be blocked when such a code is used.

Contactless reader device attached to a POS terminal

Merchant & POS

What Is a Contactless Reader?

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?

Architecture diagram of the Visa EAS Server within the Visa Secure 3-D Secure authentication flow

EMV

What Is the Visa EAS Server?

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).

Customer making a contactless payment by tapping a card on a POS terminal

Contactless

What Is a Contactless Transaction?

A contactless transaction is a fast and secure payment made between a credit card and a POS terminal without direct contact, without reading the card's chip or magnetic stripe. Both the card and POS terminal must support contactless transactions.