Since the year 2000, major fiat currencies have experienced a substantial decline in purchasing power. The Chinese Yuan has seen a dramatic decrease of 96%, while the US Dollar has lost 79% of its value. The British Pound and Euro have depreciated by 76% and 74% respectively. Meanwhile, the Japanese Yen has experienced a 51% reduction in purchasing power. These figures highlight the ongoing challenges faced by fiat currencies in maintaining value over time.