[MichaelZuo]

> > Verifying sentience is a fuzzy concept. While they can be bound together momentarily as we see in [66 ], the binding is very easily decoupled.The verified user might choose to sell off their uniqueness identifier at time period 𝑡 + 1 if the verification which binds sentience with uniqueness ends at 𝑡.

> Basically, people can sell identities

I can see why Sam Altman believes iris scans are the future, it's definitely much more cumbersome to 'sell off' your iris. Especially if it needs to be rescanned on a daily basis or sooner.

[wmf]

But Worldcoin isn't doing that. They scan your eyes once and issue you a private key that you can then sell. Maybe one day they can give away scanners CueCat-style but I haven't seen any discussion of that.

[MichaelZuo]

I can see it since Apple managed to popularize face ID which is almost as good except for identical twins and so on.