Japan still remains as the largest bitcoin exchange market with over 51 percent of the market share, analysts stated that the crackdown on small exchanges have had an impact on the global cryptocurrency market
These are some countries that accept/tolerate crytocurrency ( read the link below). There is no issue in trading crypto to these country.
https://medium.com/the-mission/countries-approving-cryptocurrencies-b5bbca1a5a03