This (along with other posts from Vitalik) keep ignoring any solutions that don’t require blockchain. As an example, he writes:
> Certificates, for example cryptographic proofs that some particular individual is a resident of the city, could be done on-chain for added verifiability and security (eg. if such certificates are issued on-chain, it would become obvious if a large number of false certificates are issued). This can be used by all kinds of local-government-issued certificates.
He does point out latter how does could probably not be decentralised 100% due to legal requirements.
We already have a working solution for this problem in the PKI World - Cert Transparency. It works, is somewhat decentralised and has worked really well. Doesn’t need a blockchain.
> Certificates, for example cryptographic proofs that some particular individual is a resident of the city, could be done on-chain for added verifiability and security (eg. if such certificates are issued on-chain, it would become obvious if a large number of false certificates are issued). This can be used by all kinds of local-government-issued certificates.
He does point out latter how does could probably not be decentralised 100% due to legal requirements.
We already have a working solution for this problem in the PKI World - Cert Transparency. It works, is somewhat decentralised and has worked really well. Doesn’t need a blockchain.