By using cross chain technology and deploying five smart contracts and six Big data interfaces, ETFDAO will build a closed loop ecosystem of investors, foundations, DAO investment portfolio, Oracle external Oracle machine and real financial business.TFD, as a token, will first go to decentralized exchanges for token trading. The trading pricing adopts a market mechanism to fully explore the inherent value of TFD. After the main technology is developed, it will be developed and connected to decentralized exchanges. Token trading and economic models will achieve on chain closure....