It looks like it will be a system that facilitates trade payments using digital representations of the various nations currencies. Based on the Chinese CBDC as the mBridge program is. If a nation inflates the supply of its currency then it loses value compared to the other currencies- just as happens if you are operating within SWIFT. China will control the protocol as it developed the e-Yuan protocol upon which its being built. This is the tertiary layer of the Belt and Road model of empire China is building.