Thanks to these reserves, the new currency was able to maintain its value. Paper money has no inherent value of its own, but can be used as a currency if it is backed up by a certain amount of precious metal.
由於紙鈔本身並不值錢，之所以能被當作貨幣使用，是因為有一定數量的貴重金屬支持，這種制度稱為「本位制」。