Brazil–China relations Brazil, with financing oil exploration to repairing railways.The repair of railways and infrastructure came ahead of the Rio Olympics in 2016. There is also a trade phase from raw materials to heavy equipment and industrial goods. The two countries have also signed a currency agreement that will include up to $30 billion dollars worth of Chinese Yuan and Brazilian real. This deal was signed to provide an alternative currency to the US Dollar with respect to the Chinese Yuan. China is considered Brazil's largest trading partners. Brazil and China are members of an economic organization called BRICS, also consisting of
World currency a single world currency is unnecessary, because the U.S. dollar is providing many of the benefits of a world currency while avoiding some of the costs. If the world does not form an optimum currency area, then it would be economically inefficient for the world to share one currency. In the present world, nations are not able to work together closely enough to be able to produce and support a common currency. There has to be a high level of trust between different countries before a true world currency could be created. A world currency might even undermine national sovereignty