Alice - The archetypical personification of entity A in information security.

AID - Application IDentifier - used in EMV to identify individual applications on an EMV Chip card. See products card issuance and transaction authorization for products that support this.

ARPC - Authorization Response Cryptogram. Common EMV terms, coined by EMVCo. See products card issuance and transaction authorization for products that support this.

ARQC - Authorization Request Cryptogram. Common EMV terms, coined by EMVCo. See products card issuance and transaction authorization for products that support this.

Bob - The archetypical personification of entity B in information security.

BIN - Bank Identification Number - typically the first 6 digits of a PAN (i.e. of a payment card number). BIN extension (i.e. more than six digits) and BIN ranges (i.e. sub categories under BIN) may also be used to group card products at the issuer (card issuing bank).

CVM - Cardholder Validation Method. Often a POS terminal at the merchant will prompt the merchant and or cardholder for additional entry or action. Typically these include requesting the cardholder to present a PIN, a ZIP code (mainly in the US), produce a signature (which the merchant clerk can validate by comparing to the back of the card) or even in some case: no CVM.

EFT - Electronic Financial Transaction. Typical banking jargon.

Eve - The archetypical personification of entity E in information security. Eve was chosen from eavesdropper, and may carry malicious intent.

IVR - interactive voice response (system) - typically used to describe an automated phone system. More info on Wikipedia.

KYC - Know Your Customer. KYC is a requirement for any bank in the developed world. Storing of any PII information and documentation must be done using care and encryption.

mChip - Short for MasterCard Chip. Typically used to denote EMV applications by MasterCard. See products card issuance and transaction authorization for products that support this.

PAN - Primary Account Number

PII - Personally Identifiable Information. A term used to classify information which relates to a person or their payment cards.

VIS - Short for VISA, i.e. the payment scheme. Typically used to denote EMV applications by VISA. See products card issuance and transaction authorization for products that support this.