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.
BIS and France, Switzerland, Singapore Central Banks Successfully Test Cross Border Trading of Wholesale CBDC Using DeFi
