Da Shi Intelligent (002421) responded to the investor on the interactive platform. “Does the company have a blockchain business? Or is it just a blockchain hot?” The reply said: “The company has always paid close attention to blockchain technology. Communicate with the development and application of the main business-related fields, continue to communicate with Beijing Taiyi Cloud Technology Service Co., Ltd., which has invested in blockchain research and conducted blockchain technology research and popularization, and signed a strategy with it in the near future. Cooperation agreement, jointly explore the "blockchain + intelligent IOT" overall solution, and plans to jointly build an open and win-win "blockchain + smart matter" ecological chain."