Bitcoin is digital currency revolutionizing the finance Industry which many predict to be the currency of the future.
A currency for the future does not mean that it has to replace the paper currency or a national currency as such, it will be an alternative for international trade and is the cheapest form of transaction even if you are dealing with millions of dollars worth of trade or be it a billion.
The worst senero is that they can't read or write which makes it difficult for them to operate the internet since Bitcoin transactions are done on the on internet.they prefer to use the traditional paper currency they feel it is comfortable for them.
This is the major reason why Bitcoin and other cryptocurrency is yet to be adopted by the masses.
To have a major adaptation it does not mean that the entire world should start using it, only a small percentage use the platform and in that only a few use it as a mode of transaction at this stage, it is in its early stages and with time we will see a rapid change in adaptation atleast by merchants around the globe to conduct international transaction. In the mean time we need more user friendly front ends so that everyone can use.