I've said it before, and I'll say it again: I'm really not keen on handing over any of my personally identifying details to a third-party age verification vendor. Whether it be a scan of my face, my official ID, or my payment card, I'd rather not engage with yet another potential point of failure for my data to leak out from. Unfortunately, we are rapidly approaching a widely age-gated internet.
As such, the European Commission has been working on developing an app to use across online services in EU member states. EC president Ursula von der Leyen recently stated that this age verification app is "technically ready" and will "soon [be] available for citizens to use." A demo of the Android app is available via GitHub—though security researchers claim they were able to bypass the security practices of this version in under two minutes (via SOFX).
