there are many country in this world is Governmentally accepted The Cryptocurrencies, like japan accepting Bitcoin as legal tender.
Also there are some country who did not accept The Cryptocurrencies and has strict law about Cryptocurrencies, like Bangladesh.
so here are some good info about this:
https://blogs.thomsonreuters.com/answerson/world-cryptocurrencies-countryI think it will be helpful for all.
There are still some countries does not want bitcoin to be legal in their country it depends on their government and we are lucky here in our country that they didn't ban bitcoin, so we can still manage to earn some bitcoin with our spare time especially for us who are just at home. There are a lot of countries that are strict I think it is also because they can't get some benefit from it.