The answer is "it IS real currency". How do you tell "real" currency from fake? If people accept it as a store of value, it's real. Actually, it is real to the

The answer is "it IS real currency". How do you tell "real" currency from fake? If people accept it as a store of value, it's real. Actually, it is real to the extent that people accept it. So Bitcoins aren't AS real as dollars, but they're still real. And hypothetical bitcoin company will have the same problems as a company that uses some obscure third-world currency.