Banking institutions, law enforcement agencies, business leaders, Governments and many others call Bitcoin illegal.
But then - Why is the use of Bitcoin increasing?
Bitcoin has a volatile value and as its value increases over time, the money you have spent to buy some of it will also increase which can also show up as a passive income wherein you are gaining profit without doing anything. It is also one of the main reason why many people are holding their bitcoin for a long time, hoping their profit will increase more. All of this are the reason why the number of bitcoin users are increasing over time.