Paying with your phone is super handy, but there’s more to it than just tapping...

https://wiki-square.win/index.php/How_to_Check_Fees_Before_Paying_on_a_Phone:_Your_Guide_to_Clear,_Frictionless_Mobile_Payments

Paying with your phone is super handy, but there’s more to it than just tapping and going. Digital wallets use things like your fingerprint or face to keep your info safe