Today many countries accept bitcoin as a virtual currency, is it because bitcoin is so high that they think bitcoin can change the country's economy, or because the country has many bitcoin users already?
It is smart because bitcoin can not be stopped as an international store of value so you may as well accept it if your citizens are going to use it. Otherwise you increase the underground and illegal activity and as a government or state this is the opposite of what you want to do. Smart countries will start creating their own cryptocurrencies so they can track the users who are using it. We will which country is smart then