The fundamental difference between a national bank and a state bank lies primarily in their chartering authorities and primary regulatory oversight bodies. A national bank is chartered by the federal government through the Office of the Comptroller of the Currency and is typically required to be a member of the Federal Reserve System. In contrast, a state bank is incorporated and chartered by an individual state's banking department or regulatory agency. While both types of institutions offer similar commercial and retail banking services and maintain deposit insurance via the Federal Deposit Insurance Corporation, they answer to different primary administrative regulators.