On November 28, Jiangsu Blockchain Industry Development Report 2019 was released. The report shows that as of July this year, Jiangsu has a total of 590 blockchain companies. Among them, 131 were established before 2017, 310 were in 2018, and 149 were in the first half of 2019. The development has grown rapidly, and there has been an explosive growth trend in the past two years. . The province's blockchain companies are mainly concentrated in Nanjing and Suzhou, accounting for 62%. According to the statistics of the State Intellectual Property Office, in the first half of 2019, the number of blockchain patents published in China was 3547, which has exceeded 2,435 in 2018. Judging from the number of patents, Jiangsu's blockchain patents reached 328 in the first half of this year, ranking fifth in the country, after Guangdong, Beijing, Zhejiang and Shanghai. According to the report, BaaS platforms, solutions, and financial applications are the majority in China's blockchain industry chain at this stage, followed by data services, supply chain applications, and the media community. In the case of Jiangsu Blockchain Technology Company, there are many application fields in financial and government-related enterprises, and games, logistics, agriculture, big data, security, hardware, and editors are also involved.