On the afternoon of January 19th, a special lecture on cryptographic applications and blockchain technology in Henan Province was held in Zhengzhou. Professor Yang Yuning of the Tsinghua University Institute of Advanced Research, academician of the Chinese Academy of Sciences, and member of the International Cryptographic Association Wang Xiaoyun was invited by the Henan Province Password Administration Speech. Wang Xiaoyun said, "In terms of cryptographic protocols, our country and other countries are on the same starting line. Which country first develops standards will grasp the opportunity. China urgently needs to develop the Internet of Things, the Internet of Vehicles, the blockchain, and domestic production. Cryptographic protocol standards and technical specifications such as operating systems. "