apple pay

Apple Pay is a mobile payment service by Apple Inc. that allows users to make payments in person, in iOS apps, and on the web. Supported on iPhone, Apple Watch, iPad, Mac, and Vision Pro, Apple Pay digitizes and can replace a credit or debit card chip and PIN transaction at a contactless-capable point-of-sale terminal. It does not require Apple Pay–specific contactless payment terminals; it can work with any merchant that accepts contactless payments. It adds two-factor authentication via Touch ID, Face ID, Optic ID, PIN, or passcode. Devices wirelessly communicate with point of sale systems using near field communication (NFC), with an embedded secure element (eSE) to securely store payment data and perform cryptographic functions, and Apple's Touch ID and Face ID for biometric authentication.
Apple Pay can also be used to ride some public transport networks either through the use of credit/debit cards (open loop) (for example across TfL in London, SL in Stockholm, and at OMNY readers across New York City's subway and bus network) or dedicated travel cards such as JR East's Suica, the Chicago Transit Authority's Ventra, the San Francisco Bay Area's Clipper (closed loop) and Hong Kong's Octopus Card.

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