What If Bitcoin is banned in your country will you still use it?
If you use it how will you? How will you exchange it and how will you completely use it as you do before.
It can still be used on your computer or phone - it is not centralised, depending on your government you might want to take measures not to get caught.
True, because of its decentralization concept many people took advantage of this thing to do some illegal actions, that is one of the reasons why a country wants to ban Bitcoin. But on the other hand if you for example is not one of those people then you can still use it, as means of the source of income or anything that you wanted Bitcoin for. As long as you will be weary of the security of your transactions that is, although even if it is decentralized you can still be tracked to the blockchain, if the government is that desperate in finding you that is.