Comment on Is it completely impossible to do age verification without compromising privacy?
Saledovil@sh.itjust.works 2 weeks agoBob would have to know and trust Grace beforehand. Grace could be the IRS, for example. The idea here being to have somebody who already knows your age vouch for your age.
ilinamorato@lemmy.world 2 weeks ago
That’s not about Bob trusting Grace specifically (that’s a premise of the entire operation), it’s about trusting that the letter Alice handed Bob was actually signed by Grace.
Saledovil@sh.itjust.works 2 weeks ago
Well, if Grace is already well known, then her public key should be available.
ilinamorato@lemmy.world 2 weeks ago
That…seems so obvious, now that you say it.