Due to the increasing role of digital payments, demand for commercial bank money and nonbank money is expanding, while that for physical cash is sharply diminishing. The retail central bank digital currency (CBDC) is considered the only safe alternative to compensate for this decrease, as a...

Chapter 1: Introduction and overview -- Chapter 2: Fiat money: History and features -- Chapter 3: Financial Technology sectors and business models -- Chapter 4: Cryptocurrency -- Chapter 5: Central bank digital currency -- Chapter 6: Neobanks -- Chapter 7: Digital currencies’ implications for...

A central bank digital currency, or CBDC, may provide an attractive alternative to traditional demand deposits held in private banks. When offering CBDC accounts, the central bank needs to confront classic issues of banking: conducting maturity transformation while providing liquidity to private...

This paper shows the existence of a central bank trilemma. When a central bank is involved in financial intermediation, either directly through a central bank digital currency (CBDC) or indirectly through other policy instruments, it can only achieve at most two of three objectives: a socially...