Guangzhou Metro block chain electronic invoice system has been on trial operation

January 6, Guangzhou Metro Block Chaining electronic invoice system trial operation, synchronous promote the use of official APP subway in Guangzhou, the official declaration of the block chain technology landed in Guangzhou subway. Reporters learned that, as early as this month, the Guangzhou Metro will have already left for the first block chain of electronic invoices, research team after days of fighting, after several on-site commissioning, Guangzhou Metro Block Chaining electronic invoice system is now on-line test run.