Health code refers to the experience of promoting health code mode in various places to help classify and orderly resume work and production. Under the guidance of the E-government Office of the State Council General Office, Alipay developed a unified health code system for epidemic prevention and control in China based on the comprehensive government service platform of China.
Advantages of QR code
Two-dimensional code has large information capacity, high information storage density and strong data coding ability. Compared with ordinary bar codes, two-dimensional codes not only have dozens of times higher information expression forms, but also have more diverse information expression types, and can encode various data file types, such as words, pictures, sounds, fingerprints and so on.
The two-dimensional code has low manufacturing cost, simple and flexible printing process and good anti-counterfeiting performance. Specifically, when printing the QR code, the shape and size can be adjusted and changed, which is flexible. Even so, the introduction of encryption measures into the two-dimensional code can not only make it have good anti-counterfeiting performance.