The "system" (an NFC passport) is already used at airport gates, though. Violent criminals and demonstrators are rarely identified through their passports beca

The "system" (an NFC passport) is already used at airport gates, though. Violent criminals and demonstrators are rarely identified through their passports because these events don't make it easy to check people's passports, but ID documents are sometimes used, the photo is just checked by policemen rather than an app on the user's phone.