币界网报道:According to Caixin.com, Tang Jianguo, member of the party group and deputy director of Beijing Municipal Bureau of Economy and Information Technology, introduced on July 5 that the added value of Beijing's digital economy accounts for more than 40% of GDP. In terms of blockchain, Beijing has built the country's first blockchain software and hardware technology system. Currently, digital economy companies account for more than 40% of listed companies on the Beijing Stock Exchange.