# Abbreviations
**Abbeviations** **Descriptions**
APIApplication Programming Interface
CDCVMConsumer Device Cardholder Verification Method
CVMCardholder Verification Method
FCMFirebase Cloud Messaging
HCEHost Card Emulation
HVTHigh Value Transaction
IBANBank Account Number
JWEJson Web Encryption
JWTJson Web Token
LVTLow Value Transaction
MCBPMasterCard Cloud Base Payment
MDESMasterCard Digital Enablement Service
MPAMobile Payment Application
NFCNear Field Communication
PANPrimary Account Number
PbAPay by Account
PINPersonal Identification Number
POSPoint of Sale
RNSRemote Notification Service
SaaSSoftware as a Service
SDKSoftware Development Kit
SUKSingle Use Key
TAVTokenization Authentication Value
TVCToken Verification Code
VCP/UCPVerestro Cloud Payments/(Formerly uPaid Cloud Payments)
VPNVirtual Private Network
UCAFUniversal Cardholder Authentication Field