Wow!! Nice explanation. Thanks. I was thinking of different dimensions. I was thinking that, the individual p2p transaction is also visible to the government for them to track you down but from your explanation, it is based on exchange platforms which is true of what you said.  What surprised me is your last paragraph, I have not thought to that area and if anyone does that, it is very bad. Revealing your trading colleagues information to the government so they can persecute the person. That is a very wicked ack from the highest order.