EMV: How Does Chip, PIN Credit Cards Work

The full form of EMV is Europay Master Card and Visa card. You can also call these cards Chip and Pin. I have given answers to what is EMV chip cards and ATM chip credit cards in this post.

Regulator of EMV cards

These are regulated by Integrated circuit card specifications – ICC.


EMV has four major partners of JCB, Master Card, Visa, and American Express. Below is the full list of partners:

  • VIS – Visa
  • Mastercard chip – Mastercard
  • AEIPS – American Express
  • UICS – China Union Pay
  • J Smart – JCB
  • D-PAS – Discover/Diners Club International.
  • Rupay – NPCI

The ISO/IEC 7816 tells about EMV cards.

Chip and Magnetic stripe cards

Chip and Magnetic strip cards you can call them Dual cards. These dual cards sometimes, the fraudsters, remove the chip details and force the transaction through magnetic stripe cards.

That is the reason, the major credit card processors track these types of transactions when a chip is available why used magnetic swipe. EMV technology is new and useful to avoid fraud.

EMV ATM cards

EMV or chip cards, you can use at POS or at ATM machines to withdraw money. EMV cards are more secure than magnetic stripe cards.

Process of EMV chip cards

EMV chip card transactions improve security against fraud compared to magnetic stripe card transactions that rely on the holder’s signature and visual inspection of the card to check for features such as a hologram.

The use of a PIN and cryptographic algorithms such as Triple DES, RSA, and SHA provide authentication of the card to the processing terminal and the card issuer’s host system.

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Author: Srini

Experienced software developer. Skills in Development, Coding, Testing and Debugging. Good Data analytic skills (Data Warehousing and BI). Also skills in Mainframe.