Method for searching lost children based on block chain technology

Abstract

The invention provides a method for searching for lost children based on block chain technology, which relates to the identification field. The invention firstly receives the lost information of children uploaded from a guardian or an accompanying person of the children, then confirms the lost node and the lost time of the children, and publishes the lost information of the children to all nodes of the block chain to generate a consensus. Then, the video information of all nodes in the T time period before and after the children's loss is retrieved, and all nodes in the block chain are searched for the lost video information of the children, and the lost video information of the children is paired until the relevant video information is paired out, and the lost process is restored according to the relevant video information.

Description

technical field [0001] The invention relates to the field of information retrieval, in particular to a method for finding lost children based on blockchain technology. technical background [0002] The loss of a child is an unbearable burden for its parents; finding a lost child is not only a matter for a family, but also a matter that requires the attention and efforts of the whole society. [0003] At present, the search for lost children in my country mainly relies on the families of the lost children and the police. The participation of the public is low, and social synergy has not yet been formed. Generally speaking, a few hours after a child goes missing is the prime time for search and rescue. If it can be reflected in the first time after the child goes missing, social and police forces will intervene quickly, and it is very likely that the lost child will be found. [0004] The issue of missing children has always been one of the hotspots of current society. At pre...

AI Technical Summary

Problems solved by technology

[0004] The issue of missing children has always been one of the hotspots of current society. At present, there are several difficulties in dealing with such issues; (1) The authenticity and timeliness of information about children missing cannot be fully guaranteed; (2) The traditional way of pushing information about missing children is backward , and the amount of information is too large. In the face of hundreds of thousands of lost children, it is difficult for ordinary people to remember, which makes the attention become nameless; It is very difficult to search in different places; (4) It is difficult to promote the recovery application of a single public welfare nature, the user stickiness is poor, the capital consumption is large, and the effect is little

Images