"A de facto currency is a unit of money that is not legal tender in a country but is treated as such by most of the populace. The United States dollar and the E

"A de facto currency is a unit of money that is not legal tender in a country but is treated as such by most of the populace. The United States dollar and the European Union euro are the most common de facto currencies." http://en.wikipedia.org/wiki/De_facto_currency http://en.wikipedia.org/wiki/De_facto_currency Bitcoin could become a world de facto currency. A crypto one. That's the counter reality to the one you propose.