Whether or not the electronic money through the future is easy is a difficult question. Firstly, in terms of economic integration, this is very difficult now because each country has its own face value and money, it is difficult to synchronize, another difficulty is that the legal is unclear because each country has one private law. Secondly, the political, military, and information technology are uneven, leading to access to electronic money is not virtual reality. So how to solve this problem?
Its really much easier for us to adopt cryptocurrency in the future knowing it doesnt need to convert in any other currency and is acceptable worldwide. Other aspects like political,military etc. Will follow.