Listen to this podcast by NPR planet money, it explains everything about what a currency is and why it has value: http://www.npr.org/blogs/money/2013/08/27/216

Listen to this podcast by NPR planet money, it explains everything about what a currency is and why it has value: http://www.npr.org/blogs/money/2013/08/27/216125279/episode-421-the-birth-of-the-dollar-bill http://www.npr.org/blogs/money/2013/08/27/216125279/episode-...