The EU age verification app is presented as “completely anonymous”. The idea is to use Zero-Knowledge Proof (ZKP) cryptography.
But currently, the EU app does not have ZKP functionality. More importantly, the app is designed to always function without ZKP. Even if fully developed ZKP technology could be implemented in the future, it would remain an optional feature that countries may choose to disable and that the EU could remove at any time.
More details on https://mullvad.net/blog/age-verification-for-social-media-the-beginning-of-the-end-for-a-free-internet

Age verification for social media – the beginning of the end for a free internet? | Mullvad VPN
So-called age verification for social media is spreading across the world, framed as an effort to create a safer internet for children. In reality, age verification lays the foundation for a fully government controlled internet.



