According to a report by Sina Finance on March 3, a Guosheng Securities research report pointed out that blockchain electronic invoices do not require ticket collection and purchase of special equipment, no ticket volume and limit restrictions, no natural contact, and no "invoice shortage" will occur. The pass happened to play an important role. At the same time, under the State Council ’s “tax and fee reduction” deployment, the de-hardening of electronic invoices is a general trend. Since 2018, Shenzhen, Guangdong, and Fujian have launched pilot projects for blockchain electronic invoices. The municipal tax bureau followed up and launched the pilot.