In the rapid development progress of bitcoins, there has been countries where bitcoins are banned like China ,Bolivia ,Bangladesh and others.......... Since bitcoins are not in the hands of government , many countries have banned it and are in the phase on banning bitcoins............ So what should be done? What should be said to the governements?

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They forbid bitcoin is their reason. Because many bad guys have used bitcoin to transact them. With the bitcoin they are taxed like but the banks are operating in countries