SET is a digital advertising DAPP based on blockchain technology, which has the advantages of relatively decentralized, non-tamperable, transparent and open blockchain technology. It solves the common problems of fraud, behavior tracking, and disclosure of user privacy in the traditional advertising industry. SET's goal is to advertise easily on the blockchain area and become the digital advertising platform with the highest conversion rate in the industry. At the same time, SET is also a digital asset investment strategy platform. Users can pay SET token to follow and copy investment portfolios and strategies released by professional traders, and they can also earn SET token by sharing their own investment portfolios and strategies.