EMV Contact Chip is the original EMV specification: the chip in a payment card that is inserted into a terminal, validates the card’s authenticity, and generates a one-time cryptogram for every transaction to defeat counterfeit, lost and stolen card fraud. Defined in the EMV Integrated Circuit Card Specifications for Payment Systems, it builds on ISO/IEC 7816 and is certified through EMVCo’s three levels of testing.
EMV Contact Chip
EMV Contact Chip is what “EMV” meant for most of its history — the chip that replaced the magnetic stripe. The card is inserted into the reader, proves it is genuine, and produces a cryptogram unique to that one transaction, so copying card data is no longer enough to make a working counterfeit.
- Card authentication - The chip proves it is a genuine card, not a copy.
- One-time cryptograms - Every transaction carries a unique security code the issuer can verify.
- Built on ISO/IEC 7816 - The physical and electrical contact interface, with messages flowing on to the networks over ISO 8583.
- Three levels of testing - Mechanics, kernel software, and end-to-end acceptance, each certified through EMVCo.
It is not an API standard, but it is the foundation of the cryptogram model that every later EMV technology reuses — tokenisation, contactless, mobile, and now the agentic work all assume a transaction carries this kind of proof.
Industry: Payments
Related standards
Standards this one builds on, supersedes, profiles or is commonly deployed beside.
EMV
The specification family.
EMV Contactless Chip
The tap counterpart, sharing the same chip specifications.
ISO 8583
The card-network message standard chip transactions ride on.
