When I opened an account with them and traded, I knew that I could freely withdraw up to 2 bitcoins per day without going through personal identification.
 ???Why should I reveal myself if all the conditions are met, I have not violated anything (otherwise there would have been facts), I am dealing with a cryptocurrency whose status as money is not defined.

If there were immediately conditions and rules to identify myself on the exchange or I was really involved in something suspicious, then of course I must provide all the data.