[wickawic]

But what makes something a currency? If in an alternate universe Bernie Madoff printed MadoffBucks and made agreements that you could use these as currency in some online stores and Pizza Hut, does that make it a real currency? Unfortunately I think the only way something becomes a currency is when a government calls it one.

[nicky0]

It may not be a currency, depending how you choose to define that word, but it is certainly a fungible asset and a means of exchange. It acts both as a store of value and as method of transferring value from one party to another.