According to China News Network, recently, Yinhewan District, Bindong Community, Mawei District, Fuzhou City, has recently launched a new "recruitment" for recruiting personnel-the health file registration screening system. It is reported that the system was jointly developed by the emergency command of pneumonia prevention and control of new coronavirus infection in Mawei district and the Newland Technology Group of Mawei district enterprise. It is a two-dimensional code mobile phone application that can reduce the number of mobile people Cost, high efficiency, and fast screening, accurate control of sensitive people. Lin Lin, the deputy general manager of the Innovation and Development Center of Newland Technology Group, said that at present, the system is used for public welfare. "The database for information verification is reliable and secure, and the authenticity of the information is further enhanced through the use of blockchain technology to ensure the maximum use of the system. efficacy."