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.
GDP welcomes negative factors like pollution & destruction in various measure and yet ignores the health of our children or the quality of their education.
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.