Some countries don't allow to transect bitcoin or any other crypto currency. This is totally illegal by law in those countries. After invention of bitcoin, A great revolution happened in digital currency. world day by day going to depend on crypto currency for the demand of free currency. If any government of the country ban crypto currency, Still you can transect bitcoin or any other crypto currencies. No one can understand. In this modern world 'Ban' is a valueless word. We are not committing in crime. We just make easy to transect our money.

But it will still be a felony! Definitely it's very difficult for a regulatory agency to find out who is using cryptocurrency unless you commit a very serious crime but it will still be illegal. Also if you transact small amounts in cryptocurrency, the no regulatory agency will spend their money and effort to catch you.

So it all depends on what side of the law you want to stand. But yes, whatever countries are banning bitcoin now, will regret their decision few years down the line and loose the opportunities and employment it could have generated.