Not now but in very near future they will many say not so soon but i think it will happen sooner than we can expect it we have big adaptation process so it will happen to believe me but int not so easy of course.
Many government still do not know elaborately about the cyptocurrency and also they do not eager to know about it and also many country still not accepted it and many country approving and banning so it is not possible to create such a crypto currency by governments.