China in July purchased 80.1 tons of gold valued at $4.6 billion China and Russia may be working toward a new gold-backed currency in a move that would aim to dethrone the dollar as the primary reserve currency of the world, but any such currency would unlikely achieve that goal. "The USD remains the safest, most convenient and most widely used currency in Asia and in the world today," Min-Hua Chiang, a research fellow and economist at the Heritage Foundation’s Asian Studies Center, told FOX Business. "No other currency (backed by gold or otherwise) is comparable, and that is unlikely...