No one win against the government except rare cases where official of the government failed to do the necessary or carried out his/her obligation. The government own and controls the banks and the same government rule and set them in a way that it will favor them and the revenue generation, they also regulate crypto the way they fit and it's your duties to accept them or go to jail.
Banks will and cannot stop you from accessing your fund accept when you have violate their rules and regulations, you have the right to sue them for damages F you know you are on your right.