Bitcoins do not have value as a physical commodity like gold and are not widely accepted as legal tender like dollars.
Rather, Bitcoin appears to have value for the following reasons: It is popular.
In short, people accept and trade in Bitcoin because other people accept and trade in Bitcoin.
Anything in this world has its own value and it depends on how we are going to value it. Like Bitcoin its valued because it has given to people a job and earn profit. It gives easy transactions because of its decentralized market.