alt Hacker Newsit has none of the privacy problems described, and 95% of the infrastructure exists right now (have you ever purchased smokes or alcohol?)
to go on tiktok, you enter a UUID once onto your account, and thats it. the only person that sees your id card is the store clerk that glances at the birth date and says "yep, over 18" when you are buying the "age token" or whatever you want to call it. no copies of your id are made, it cant be hacked, theres no electronics involved at all. its just like buying smokes. theres no tie between your id and the "age token" UUID you received.
theres no fanciness to it, either. itd be dead simple, low-tech, cheap to implement, quick to roll out. all of the enforcement laws already exist.
>Why should I have to share more than required?
you shouldnt. having to prove age to use the internet is super dumb. but thats the way the winds are blowing apparently. if im gonna have to prove my age to use the internet, id much rather show my id to the same guy i buy smokes from (and already show my id to) than upload my id to a bunch of random services.
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The problem with this scheme is that it's exactly as protective as requiring someone to tick a "I'm of legal age" tickbox in the software they wish to access. Anyone who is of legal age can buy UUIDs and pass them around to folks who are not.
Having said that, I think having an "I'm of legal age" tickbox goes quite far enough.
For the ultra-controlling, setting up a "kid's account" using the tools already provided in mainstream OS's [0][1] is a fine option.
[0] <https://www.microsoft.com/en-us/microsoft-365/family-safety>
[1] <https://support.apple.com/guide/mac-help/set-up-content-and-...>
Sorry I'd misunderstood I thought you were describing infrastructure that already exists and making a comparison to just using your ID.