In order to protect the privacy of users, the system will encrypt the display of password names. The personal information data submitted by "health password" is managed by classification, and the whole life cycle management of personal information collection, transmission, use, storage and destruction is realized by setting security protection strategies such as data leakage prevention, data desensitization, data encryption and data risk event alarm.
Health codes are based on real data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.