“Cross-border payments still leave much to be desired, particularly (as the initiators of Diem will report) in terms of transfers to less developed countries, but also between European countries – and even between countries in the Nordic region. ” Per Callesen
The Danmarks Nationalsbank has published analysis on its CBDC analysis in 2017.
That analysis did conclude the central bank would end up competing with commercial banks and the costs would not be viable.
The Krone is pegged to the Euro. He emphasized that the design was critical in any CBDC matter; he also identified security and scalability as key issues.