this post was submitted on 15 Apr 2026
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Privacy

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[โ€“] smiletolerantly@awful.systems 3 points 6 days ago (1 children)

This doesn't make a call to government servers.

The app (or desktop application BTW, incl. Linux) reads your national ID's NFC tag, once. When you need to prove your age, the app locally computes a zkp that only tells the site "at least 18yo yes/no".

Note that every EU country has a form of national ID, and the digital capabilities of these IDs are already used for a bunch of stuff (e.g. taxes, bank account creation,...). This doesn't worsen the privacy situation for EU citizens, but instead ensures that no privacy-unfriendly solutions emerge.

[โ€“] andrew0@lemmy.dbzer0.com 4 points 6 days ago

There must be something that ensures the response is legitimate. Otherwise, if it's client-side and fully offline, I can just spoof the app to return the response "Yes, over 18". If it's not the government doing the verification, it's Google or Apple, which will give them access to all the "adult" websites you visit. Also, another reason for the EU to push for strict device attestation, without any DIY stuff (i.e., no more GrapheneOS, LineageOS, etc).

I couldn't find a desktop app on the EU's GitHub (another red flag, btw, using GitHub for this). All that seems to be available is code for the Android or iOS apps. Could you share it, if you can?