There are many countries where bitcoin is not accepted legally, so how do you use bitcoin in that country? Usually if you raise the level of bitcoin use in that country then you may get into legal trouble.
So how do you use your earned bitcoin in that country.
you can use it a many way here some like,
As a payment system, you want to use it so that you can buy and sell items and submit and receive money.
By purchasing and selling Bitcoin alone, you want to get into the cryptocurrency business and make money.
You're really into it and you want to invest heavily in BTC mining and make a lot of cash from it.