We are experimenting with bootstraping a PKI certificate trust chain for facilitating trust projection and information verification online. Think of it as the ability to do things like age verification at scale via a peer-2-peer ish mechanism instead of sending your government id to a service provider.
One experiment is with PGP key holders (for now Keybase key holders) as CAs:
https://news.ycombinator.com/item?id=46576590
And also .gov email holders:
https://blog.certisfy.com/2025/12/using-gov-email-addresses-...
It's all self-service and requires no sign-up or download of anything, the app (https://certisfy.com/app) is an in-browser app and all the cryptography happens in the browser.
Did this apply to X (Twitter) at all?
Meanwhile the silicon valley elite admitted that they don't let their 12 year old daughter on Instagram...
Attach minor accounts to the account of the parent, make the parent say yes.