this post was submitted on 24 Jan 2024
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It’s tied to an identity. You can sign your message with your PGP key.
Yes, but it's not Sybil resistant. Anyone can make as many PGP Keys as they want.
What is really needed is the ability to sign messages proving:
This is all possible with ZK cryptography today if you have a trusted data source for the key storage. Governments might be able to set something like this up, but that comes with a lot of privacy concerns. There are other projects like WorldCoin, Idena, and Proof of Humanity that attempt to do this in a decentralized way, but they've all had issues with adoption