Linked from
The 15 pages that link to Mobile payment, each with the reason it gives.
SmartphoneRelated: Smartphones can use near-field communication, apps, or stored credentials to pay.
Mobile phoneRelated: Phones can replace cards or cash at checkout and in online transactions.
QR codeRelated: Payment QR codes let a phone initiate a transaction by scanning a displayed symbol.
SmartwatchRelated: Near-field communication lets some watches authorize contactless purchases.