Countries around the world have started experimenting with central bank digital currencies, or CBDCs, to modernize their payments systems and increase accessibility to the banking system. Unlike money in a commercial bank, a CBDC in the United States would be backed by the Federal Reserve and could be transferred immediately between accounts, changing financial intermediation and how monetary policy channels into the economy. In this episode, we talk with Jim Cunha, former Executive Vice President of the Federal Reserve Bank of Boston, about the mechanics of CBDCs, how they would alter the banking sector, and what they could mean for the future of monetary policy.