because it is out control of central bank and not depeond on $ or gold or oil
great simple answer,since this coin is uncontrollable by banks and can define by dollars or gold thats the reason why it was on hunt by government...lots of funds are circulating here so if big money is involved the whole world will hunt this as if one treasure that soon to be revealed
exactly government want also to make some earning on it , and as of what they have to see and to know for about the market and for the people that are here on how they may able to earn they are curios on it so they want that for.