Yes some countries will. Other countries will see the opportunity that creates for them if they embrace cryptos. Crypto bag holders now have the funds to relocate to a place where their money will be readily excepted. Up to now, these people have generally been highly skill in IT or other technology related field. So if countries want to cause a brain drain of the people they need for a successful future economy then just let them try to ban cryptos. Its a big world they can't control it all.