The Nordic Centre, an innovation hub of the Bank for International Settlements (BIS), has completed Project Icebreaker with the central banks of Israel, Norway and Sweden, which examines the potential benefits and benefits of using a retail central bank digital currency (CBDC) in international payments. challenge, and tested the technical feasibility of cross-border and cross-currency transactions between different experimental retail CBDC systems. Project Icebreaker explores a specific way to interconnect the rCBDC system with several additional functionalities to easily extend the Icebreaker model, where cross-border transactions are decomposed into two domestic payments made by foreign exchange providers active in both domestic systems Provide convenience so that retail CBDCs never need to leave their own systems.