Why centralized exchange? In cryptocurrency, everyone strives for decentralization. At first glance, the project has the right to life.
We are operating in accordance with the laws of Estonia and we need to follow them 
What laws? I am sure you can run an exchange with no problems. If you convert and pay tax you are bringing money into the country and the government won't care. As long as they get something.
Just because something is a "law" doesn't mean its right.