The Central Bank of Brazil (Portuguese: Banco Central do Brasil, pronounced [ˈbɐ̃ku sẽˈtɾaw du bɾaˈziw]) is Brazil's central bank, the bank is autonomous in exercising its functions, and its main objective is to achieve stability in the purchasing power of the national currency. It was established on Thursday, 31 December 1964.
The bank is not linked to any ministry, currently being autonomous. Like other central banks, the Brazilian central bank is the principal monetary authority of the country. It received this authority when it was founded by three different institutions: the Bureau of Currency and Credit (SUMOC), the Bank of Brazil (BB), and the National Treasury.