According to the Financial Associated Press, the nation's first real estate sales blockchain electronic invoice was issued in Shenzhen. Recently, Evergrande Real Estate in Pingshan, Shenzhen, issued the nation's first real estate sales blockchain electronic invoice. This is another new scenario of blockchain electronic invoicing that Shenzhen Taxation Bureau and Tencent Blockchain expanded together during the epidemic. In the first quarter of this year, Shenzhen blockchain electronic invoices have landed in two major scenarios, hospitals and home appliance retailing. More than 18 million electronic block invoices have been issued in Shenzhen, covering hundreds of industries including financial insurance, public transportation, retail catering, and Internet services.