Pay-by-phone lets you buy online using your mobile number. Charges go straight...

https://www.slideserve.com/eogernrhbu/mobile-payments-trend-why-everything-is-moving-to-wallets-and-biometrics

Pay-by-phone lets you buy online using your mobile number. Charges go straight to your monthly phone bill or use up your prepaid balance. It’s a simple way to pay without needing cards or bank details, making checkout faster and easier on your phone.