The function of health code is not to prove that users are healthy, otherwise individuals are not allowed to declare their physical condition and then report it. In fact, it is similar to the QR code in electronic identity. In addition to reporting personal health status, the function is mainly to master the action track, such as entering supermarkets, taking buses, subways, planes and trains.
Extended data:
Precautions for using trip codes:
The communication big data travel card analyzes the signaling data of the mobile phone, and obtains the travel record through the location of the base station where the user's mobile phone is located, so as to accurately locate the track it has traveled. The collection, transmission and processing of signaling data are automated, with strict security and privacy protection mechanisms, and the query results are available in real time, which is convenient and fast.
The data of the communication big data travel card can be used nationwide, achieving full coverage of a national network, and can also query the international travel of my domestic mobile phone number. On the premise of ensuring user information security, these will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road traffic, entry and exit, etc.
Baidu encyclopedia-health password
Baidu Encyclopedia-Communication Big Data Travel Card