To be honest, it's kind of vague. It's no more different than what is explained on the OP. Most good whitepappers elaborate in great detail how the anon/tech is done.
How's the coin initialized before it is sent to the 2000 times around? Is the 2000 times bounce around via nodes and is a form of encryption done each time? How is the re-minting done exactly when it get's to the receiving user and what form is the encryption at the point?
Those are some question that should be answered.