Fiat money is a ponzi scheme. 

The U.S. dollar is the largest ponzi scheme in human history.

Need proof?
You will have it in less than 5 years, when the United States will implode its monetary system to replace it with its new monetary system: edollar #CBDC

Exchange Rate: 1 edollar = 100,000 USD (*) 
Why? 
National debt liquefaction

(*) Symbolic exchange rate