Already, a small number of countries around the world have legalized Bitcoin, and a number of international financial institutions, businesses, and educational institutions have adopted Bitcoin. Hopefully in the future most countries will accept bitcoin. The problem is that the governments of many countries want to control bitcoin, which will not be possible in practice. Their fear is that if Bitcoin is recognized, it will be used on the black market, and they will not get any kind of tax. There are good and bad sides to everything, I think if the state legalizes Bitcoin, it will be more good than bad.