As the currency of RT ecological platform, RT can be used as the trading medium of the platform when trading digital resources on the platform, paying the corresponding fees, giving the corresponding discounts or incentives, etc. The ecosystem of RT platform supports the exchange of various physical assets and digital assets. Over-the-counter transactions can also support the conversion of legal currencies into gold and the conversion of legal currencies into XRT and other businesses. These transactions and flows will take place in the public chain based on the RT ecological platform.