Project Mariana’s proof of concept used a hypothetical euro, Singapore dollar and Swiss franc wCBDCs between simulated financial institutions. The project relied on “a common token standard on a public blockchain which facilitates interoperability and seamless exchange of wCBDC across varied local payment and settlement systems maintained by participant central banks,” an accompanying press release said.
Source: https://www.coindesk.com/policy/2023/09/28/central-banks-successfully-test-cross-border-trading-of-wholesale-cbdc-using-defi/?utm_medium=referral&utm_source=rss&utm_campaign=headlines