Bitcoin is really a true currency/money. Why? because once you have it you can convert into a real money according to country you belong. And the banks also accepting bitcoin whether you are in different places of the world. In that case it shows how bitcoin is very popular in online business.
You made the mistake of saying Bitcoin is real money. Bitcoin is a virtual currency, a currency that contains algorithms and transaction codes, so it is virtual and it is not real. However, one can also use it as a measure of value and use it in global payments