"Let’s say I downloaded the app, proved that I am over 18, then my nephew can take my phone, unlock my app and use it to prove he is over 18." - and how is that something that could, or should, be addressed by the app? Are we even serious??
The Solution: constant face tracking /s
Because people share phones with their kids. It's not rare or even mildly unusual. The problem isn't that the app needs to solve this. The problem is the app is useless, along with this whole bizarre "need for age verification" plot that poofed out of existence simultaneously around the whole globe mysteriously a few months ago.
The phone also needs to be rooted for any of the attacks to work.
At least that's what the manufacturer's AI generated article says: https://eidas-pro.com/blog/eu-age-verification-app-hack-expl...