It shows a QR code on the screen, and ‘sir’ scans the code on their own phone without touching yours.
Also - you can customise the amount of data revealed, for example you might just provide proof that you’re over 18 (an therefore allowed to buy beer) without letting them see all the other details on your license.
“Why certainly sir, here’s my unlocked phone”
You can pin apps in Android. Something similar in iOS I think. You should never hand a stranger an unlocked phone otherwise.
It shows a QR code on the screen, and ‘sir’ scans the code on their own phone without touching yours.
Also - you can customise the amount of data revealed, for example you might just provide proof that you’re over 18 (an therefore allowed to buy beer) without letting them see all the other details on your license.