Do you believe in god? If you do, why do you believe? (give a few reasons)
Do you believe in lazer shooting unicorns? its pretty embarrassing that adult people still believe in fairy tales..
But you believe in Bitcoin! Many people may say that Bitcoin is the same tale. And at the moment, they will be right. But perhaps in the future, when the paper money equivalent Bitcoin taken in each supermarket. People will laugh at those people who today laugh Bitcoin.