I think one more thing that needs to be understood is how can one dynamically establish identity. I have never built a cryptographic system, but I thought maybe

I think one more thing that needs to be understood is how can one dynamically establish identity. I have never built a cryptographic system, but I thought maybe the following could be better: Lets say Alice is a person wanting to establish Bob's identity. 1. Bob must be the only person who retains control over his identity. 2. Bob can verify he is who he says by a distributed system and Alice gets only a Yes/No answer. 3. All verification can be done using a distributed fashion, something like bitcoin/blockchain. The most important thing here would be an implementation of the distributed nodes and how bob's information is authenticated. But I think all these parts already exist. Political and Business will is needed.