Dianping Chain (DIDO) is a block chain focusing on the life service review industry. By adopting block chain technology, artificial intelligence and a new blockchain-based token reward system, it is solving the problems faced by the review market research industry. challenge. Dianping Chain (DIDO) is building a new online review platform that will implement a fake review detection algorithm. Change the traditional model of enterprises to understand market feedback, and accurately target user communities through token incentives, so as to obtain the most authentic product and service experience feedback.