Currencies are always backed by something. Sometimes by bullets. But people need something more stable. Why put your eggs in one basket?
Innovate with the management of money: Make it open source, transparent and interactive.
Seigniorage: It relates to money and it's the difference between face value and the cost of production. Basically, it’s the profit that comes from creating money.
Of course it doesn’t have to be like that. It’s actually quite ludicrous that the people of the United States, or any country, should pay private individuals for the use of a money system.