Remember how the world's first health code was born?

Who invented the health code? Some people say it was invented by a policeman in Hangzhou, while others say it was invented by Ali employees. In fact, the birth of "health code" was put forward by Yuhang District Committee Office and developed by Ali team.

It is reported that on February 6, 2020, Zhong Yi, who is still working in the epidemic prevention team of Hangzhou Public Security Bureau, received an emergency call from the Municipal Public Security Bureau, requesting the formulation and construction of the Hangzhou Hygiene Regulations. But at this point, the "health code" is just an idea. What should it look like? It is definitely impossible to count on one person, but Cold Spring Port and engineers and developers from Ali Internet have formed a research and development team. They learned from the experience of developing epidemic prevention systems and models, and completed the first beta in less than three days. After 48 hours, they realized the "health password" from scratch. Health regulations play an important role in epidemic prevention and control. Its working principle is based on "positioning", including base station positioning, satellite positioning and WIFI positioning. Even if the phone is turned off or the card is unplugged, the location of the phone will not be affected.

On the basis of mobile phone positioning, big data analysis is carried out through consumption records, travel records, flight records, filling in travel information and scanning scene positioning. Suppose that in high-risk areas, the color of health code will turn red, which has made great contributions to effectively blocking the transmission chain. To sum up, the development of health code, and the development of health code from scratch, from instability to maturity, is not the contribution of a person or a company, but the contribution of a team, which is the day and night efforts of every member of the team. Because of their obscurity, they have made great contributions to prevention and control and breaking the communication chain.

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