I have a better idea

According to Bloomberg, Russian President Dmitry Medvedev was showing off a coin that he called a sample of a new world currency, which he strongly favors. Recent economic developments should make clear that the solution to our difficulty is not to replace one fiat currency (the U.S. dollar, backed by nothing) with another.

Here is my alternative, a certificate backed by gold:

The portrait is of the late James A. Rhodes, Governor of Ohio 1963-1971 and 1975-1983.