W1LINK
WAccuSystems
WAutomated teller machine
WBanking as a service
WCenter of Financial Technologies
WCheque truncation
WContactless payment
WContactless smart card
WCredit card imprinter
WCryptography
WCurrency-counting machine
WDinarak
WFaster Payment System
WFaster Payments Service
WHardware security module
WInstant payment notification
WLIXI
WMagnetic stripe card
WMoney changer
WOpayo
WPayment terminal
WPix (electronic payment system)
WPublic-key cryptography
WSmart card
WSubstitute checks in the United States
WTillie the All-Time Teller
WZafin