Till the date, the currency is controlled by big peoples and central banks.You must have heard “rich people keep becoming rich and poor keep becoming poor”.
Large number of people are starving to death and on the other hand few people are playing with money and power, living in their castles.
There was a man names Saktoshi Nakamoto invented a cryptocurrency named Bitcoin few years back.
Today 1 bitcoin = 4378.32 $ and slighting thoughts of the currencies of the whole globe.
The bitcoin has certain drawbacks in which the security is huge but the revolution what it has brought is more huge in front of them.