Alipay blockchain used for subway for the first time: Yangtze River Delta subway "pass" covers 1842 kilometers in 11 cities

According to the interface news, on November 29, the reporter learned from Shanghai Metro that Alipay's blockchain technology has been successfully applied to the "Yangtze River Delta major cities scan code interconnection and interconnection" project. When residents of 11 cities across the country go to the other city, they only need to Open the subway app in your city and scan the code in the remaining 10 cities. Among them, there are 9 inter-connected cities in the Yangtze River Delta, namely Shanghai, Nanjing, Hangzhou, Hefei, Ningbo, Wenzhou, Suzhou, Wuxi, and Xuzhou (from December 1).