In summary, it's like a third party protocol, which releases certain details of a user to the other network, without revealing basic information and data?
Would the system work without the human factor? As that would ensure total anonymity.
Not sure it can work without the human factor and if that's not possible then I don't think we can call it the Perfect privacy at all. If it's not decentralized then it means that someone is always going to supervise it.