Paying with your phone is super handy, letting you skip the wallet and checkout...

https://astro-wiki.win/index.php/Is_It_Smarter_to_Use_a_Wallet_Like_Apple_Pay_When_Traveling%3F

Paying with your phone is super handy, letting you skip the wallet and checkout faster. Digital wallets and fingerprint or face recognition make it easy to buy stuff securely