That is not the problem here, if there is "no correct regulation" all they can do is either create one or block it entirely, the latter is the wrong way to go as they will be missing a big opportunity for their country. When taking into consideration you will know that the world of cryptocurrencies is a big opportunity for their country's economical improvement that is why most of them try to adapt and include it in there system with regulation. This way they can both protect their citizens as well as their economic interest without banning them right away.