Money was a great concern for the Founders of the American Republic. They had lived under the tyranny of British rule and saw the corruption of centralized banking and paper, or "fiat" money, and the interest that was being taken in the process. That is why they outlined in the Constitution the following about money:

Original U.S. Constitution

Art. I Sec. 8 Cl. 5: [Congress shall have Power ... ] To coin Money, regulate the Value thereof, and of foreign Coin, ...;
Art. I Sec. 10 Cl. 1: [No State shall ...] make any Thing but gold and silver Coin a Tender in Payment of Debts; ...

Important and informative web sites and links:

Description:	Web Address:
The non-Federal, Federal Reserve	http://www.americantruth.org/money2.htm
The Creature from Jekyll Island - origin of Fed. Reserve	http://www.americantruth.org/FedRes.htm
Fed’s Insist Gold and Silver Coins Aren’t “Real” Money	http://www.libertydollar.org/news-stories/pdfs/1159993932.pdf
Ponder this....Independent thought	http://www.ponderthis.net/
Money Matters	http://www.constitution.org/cs_money.htm