A digital wallet lets you store payment info and pay without cash -- just use your phone or device for quick, secure purchases.

From groceries to gas, more people are tapping their phones instead of swiping cards to pay. But what happens if that phone ...

2 Wants To Know Cash, card, digital wallet? How to make sure your money is safe when you pay with your phone Every digital wallet should have a face, fingerprint, or passcode to unlock.