4 ms·
It is possible to cryptographically attest to attributes like age without revealing identity. I worked on a privacy preserving system that did this among other
by MattPalmer1086 3y ago
It is possible to cryptographically attest to attributes like age without revealing identity.
I worked on a privacy preserving system that did this among other things. Third parties who received an attestation of some property could verify it.
To be fully private, a bit more is required. Crucially, each time an attestation is provided it is made unlinkable to previous times it may have been provided. So the third party only knows the attestation they have just received is valid, but not that it is the same unknown person they saw yesterday.
- ohlokkru 3y agoYou know what else preserves privacy? Not giving all our information to data driven businesses just to exist.
- isthatafact 3y agoI do not expect that I could ever trust the 3rd party. And any on-device "private solution" seems unlikely to be implemented in a provably secure and safe way. Besides that, why is any of that complicated stuff even needed? I know my age, and I am able to verify my age without involving any 3rd party, software, AI etc. If someone else wants to lie about their age, I am not convinced that I should need to jump through hoops and give away my own privacy as part of any of the flawed schemes supposedly intended to prevent that, as some governments are trying to push.
- creer 3y agoIt would be possible. But age verification and privacy are not the objective of either side. Age verification as a pretext to place a barrier and stick it to these businesses. Privacy as a principle - not a technical attribute.