Originally Posted by Need

If they have NFC scanner, you just tap your phone. If they have a QR code scanner, you can display the QR code and scan it. At least that's how the CA Driver License digital version work. It specifically say on the phone that you don't have to hand over your phone.

Originally Posted by der_saeufer

That's how it worked for the brief period I was able to use my non-Real ID license in Apple Wallet at TSA--they have an NFC reader at the checkpoint that you tap your phone on after selecting your ID the same way you'd select a payment card in a shop.