Adhering to the concept of value investment and inclusive finance, the Rainbow Fund Foundation provides the first ETFs-type (Exchange Traded Fund) token-based financial instruments to individual investors in global digital assets through secondary trading platform. The financial instruments adopt different types of digital currency asset portfolio strategy, which has the characteristics of stable returns and strong resistance to market risks. The foundation is equipped with a professional technical team with years of experience in the US stocks. The team has developed AI intelligent investment advice tools based on fifteen years of Tick-level transaction data. It has been used by a number of Wall Street hedge funds and has proved its relatively stable rate of return. In view of the characteristics, the Foundation has reserved AI intelligent investment tools for the digital currency market. The tools are based on the "deep learning system" and rich database. Moreover, through the optimization analysis of the primary and secondary markets and the analysis of the transaction market, a high-quality digital token project will be selected to develop a token trading strategy. Through long-term value investment and short-term high-frequency quantitative trading as a combination of ways, the tools aim to achieve stable high-yield purposes. Furthermore, the Foundation will publish industry in-depth research reports from time to time.