@chbartist yes you are right Bitcoin will change the world economy I think fiet currency will have to face a big challenge in future with Bitcoin. Bcause Blockchain technology is not a joke its change the whole world operating system.

And if Blockchain is adopted by big big company and also different different develop country so crypto currency will moving forward with blockchain technolgy.

This is the time we are in early phase in this market, Who knows, Bitcoin will become one of the world's single currency.

Then worlds financial system and also different diffrent country develop there system in blockchain as internet. Today without internet we are blind. So thank you @chbartist your valuable post please give us lesson again and again.