Only if it started to function as digital money or currency and not as a stock then I would say yes. The problem here is that the foundation of this crypto is not too stabilized and also, it is limited. And that will create even more problems. Second, government, banks and other corporations will deem to disagree and put an end to this thought. Capitalism at its finest.
Well, i think it's hard to replace conventional money in whole world because in the first place government has the authority to agree upon the economic stability of the country in which is suitable for every people including business sector and to the growth of financial capasity of the nation.