Of course, it will not be a crime the impact of the crime is not retroactive, the account will be closed and after you submit a request you will be able to recover it.
If you trade with another person you send bitcoin and he sends money to your account, all the bank will know is that there are money transfers from one bank to another, they will not know that you are buying digital currencies.
crypto industry will not change your country economy, government try to find something to fight.