CBN, or Central Bank of Nigeria, is the apex financial institution in Nigeria responsible for regulating the country's monetary policy, issuing currency, and maintaining financial stability. Established in 1958, it plays a crucial role in managing inflation, overseeing commercial banks, and ensuring a stable financial environment for economic growth. The CBN also implements policies to promote economic development, such as providing loans to agricultural and small businesses. Additionally, it manages Nigeria's foreign exchange reserves and works to foster a sound banking system, contributing to the overall health of the nation's economy.