Standards are quantifiable metrics to which parties adhere for purposes of allowing some common ground for interchange. Some view monetary systems developed for the exchange of goods as the earliest standards. A language is a standard for communication. The alphabet is a base standard for the exchange of information. For example, all English speakers agree that the letters "d," "o," and "g" in this order stand for the word "dog," which in turn stands for a four-legged furry animal that can be trained to fetch a ball or newspaper. What most people think of as the classic standards include a variety of different measurement standards—the rod, cubit, pint, quart, foot, yard, and the meter, liter, and gram. The U.S. Congress, in accord with Section 8 of the U.S. Constitution, has the power to "coin money, regulate the value thereof, and of foreign...