That’s what the chip on the card does too. It’s an embedded computer that generates one time codes just like the phone.
The main difference is that the phone typically has an extra security measure, like requiring the screen to be on to pay (but you can get a mesh wallet which prevents tap from working); or the phone needs to be unlocked, which is actually useful.
That’s what the chip on the card does too. It’s an embedded computer that generates one time codes just like the phone.
The main difference is that the phone typically has an extra security measure, like requiring the screen to be on to pay (but you can get a mesh wallet which prevents tap from working); or the phone needs to be unlocked, which is actually useful.