Or, perhaps the question should be, "what hasn't government done to (destroy) our money?".
What Has Government Done to Our Money? is a fascinating read from the late, great Murray N. Rothbard. In short and concise manner, it documents the origins of money, what qualities a good monetary unit should have, and how governments have, throughout the centuries, manipulated it to their benefit at the expense of the populace.
This essay is available for free on the Web, in both audio and HTML form, thanks to the Mises Institute.