Its introduction would change the structure of the financial system and the respective roles and demarcation lines between commercial banks, central banks and other institutions, in the provision of money. Several reasons have been proposed for introducing retail CBDC. Examples include improving critical infrastructures, financial inclusion or strengthening competition and cybersecurity.
Some of these issues are not new and have typically been addressed by regulation, or by improving existing technologies. It is not clear to me that we require a different approach now, but perspectives and circumstances across countries differ.