Bitcoin has been around the borders of financial markets for less than a decade, but is slowly gaining importance as an alternative asset class.
Can the government of any major country step in and do the unlikely?
It is definitely a yes. Governments of every country can ban the bitcoin in their land because they have the right todo it so. The role of them is to keep their citizens and even their country safe so if the governments of each country see something wrong about welcoming the bitcoin they will be against it.