Russia. By the end of 2022, RMB has accounted for 5.37% of Brazil's total foreign exchange reserves, making it the second most important currency in Brazil's foreign exchange reserves. In 2022, the proportion of RMB trading volume increased, and the country with the largest foreign exchange trading volume was Russia. Foreign exchange is the creditor's rights held by the monetary authorities in the form of bank deposits, treasury bonds and long-term and short-term government securities. , which can be used when the balance of payments is in deficit.