In fact, 'awareness' appears to be the key currency here.
The dollar's value rose against most key currencies, helped by better-than-expected news about the economy.
One threat is that the United States dollar, the world's key currency will go into a free fall.
Coca-Cola noted that the dollar had risen 7 percent against some key foreign currencies over the last 12 months.
The dollar finished higher against key currencies, while gold fell.
Reflecting American economic strength, the dollar continues as the world's key currency.
Earlier, the dollar also fell against most key currencies in European trading.
The dollar finished higher yesterday against most key currencies after falling overseas.
The dollar was therefore the key currency under the adjustable peg system.
The dollar ended mixed against key foreign currencies in thin trading.