So the traders eventually gave up on tobacco and moved to another staple item that everybody knew and valued: deerskins. A deerskin can be slapped over the saddle of a horse, it’s thin and light, and when you’re not spending it you can use it to keep warm. Buckskins soon became the standard unit of barter in North America, and a standard unit of barter is, in effect, money. So it was buckskins, or bucks for short, that were used for trade.
