Two things for current change: 1.) Slow down the speculation. Introduce a robin hood tax on high frequency trading. 2.) Bring debt into the sun. Demand 100% transparency from central banking institutions.
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.