The new virtual world currency is an index of the world’s 15 largest economies, weighted by their gross domestic product, adjusted for purchasing power parity.
Japan called US Treasury Secretary Timothy Geithner 'unrealistic,' while India doubted he would have support among emerging economies at the G20 summit next month.
Currency market adjustments are a major focus of Friday's G-20 meeting of finance ministers and central bankers.
G20 nations are in danger of escalating currency wars, as each strives to give its exports a price advantage on the world market. Anxiety rises as finance ministers meet this week.
With the Fed easing and the value of the US dollar falling, Hong Kong should peg its currency to the yuan.
The International Monetary Fund gathering ended with nations going their own way on exchange rates. One reason: the difficult relationship between the US and China.
Currency exchange rates have taken center stage in financial markets, prompting investors to worry that nations will try devaluation as a way to bolster exports. The IMF's annual meeting is Friday in Washington.
World governments have manipulated currency ever since they unpinned it from gold, 40 years ago. Today, everyone is devaluing their own currency, while gold skyrockets.