In real life, monetary forms can be changed, but the "rules of the game" are not reversible. In any era, as long as the "rules of the game" are in, even if there is a war, as long as the data is still in, any virtual currency can survive and pass on under this rule.
As a result, many prognosticators say that the current currency will be replaced entirely by digital money in the near future. However, to become an international currency, digital currency needs to meet a necessary condition, which is the stability of monetary value.
From the national level, the digital currency is a long-term process, the user panic, while prove itself in the prototype stage, again shows the importance of relevant laws and regulations and industry since the flooding. Until a key directive is introduced, the digital currency can only be stuck in the 3.0 era.
For me it's really impossible that bitcoin will disappear in the near future. Because as time goes by more and more people will be educated about bitcoin. And by that there will be more investors and because of that the bitcoin will hace its greatest value..