Every country has its own rules of government. Some countries legalize bitcoin, some are semi-legal and some are closing bitcoin circulating in their country, but I believe the future of bitcoin will be better considering the rapid development of technology and cryptocurrencies.
And there will always be countries that will accept the cyrpto-related businesses such as crypto-exchanges. But with the current rate of adoption, positive approach is seen from several countries like El Salvador. I believe, there will always be a way how to convert your btc to your local fiat, if worst scenario comes. But nowadays, very rare that you will encounter countries that are totally banning crypto transactions.