alt Hacker NewsNo passport, but perhaps face picture that is also encoded with on device verifiable token.
I think there is actually a use case for blockchain (don't pile on!) for this. I have a vague idea of a unique token that goes on every camera and can be verified from the blockchain. If a picture has the token you know it's real... like i said, it's vague idea but i think it's coming
No need for blockchain. All you need is this: https://contentauthenticity.org/.
The problem with this is that it's still easy to forge.
I'll certainly consider playing with ways to identify human uniqueness that don't require passports. But passports are the most obvious route to doing so.