What is the daily code record?

Verify the authenticity of the health code. "Health Code" is a tracking and judging system for personal health information and activity information used for epidemic prevention and control in COVID-19. Online declaration by individuals, personal QR code can be generated after background audit, and daily code can also be used to verify the authenticity of health code. As a electronic certificate where individuals enter and leave a certain area, QR codes can be declared at one time and used locally.