A grading tracing system and method of a whole industrial chain
A traceability system and industry chain technology, applied in transmission systems, digital transmission systems, usage of multiple keys/algorithms, etc., can solve problems such as inability to communicate and check each other, upstream and downstream information is not smooth, and management is inconvenient, so as to eliminate information island effect
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Embodiment 1
[0033] See attached figure 1 , the embodiment of the present invention provides a hierarchical traceability system of the entire industry chain, which can be divided into a first-level traceability system (upstream), a second-level traceability system (midstream), and a third-level traceability system (downstream) according to the upstream, middle and downstream of the supply chain system. The first-level traceability system, the second-level traceability system and the third-level traceability system generate the first-level traceability code, the second-level traceability code and the third-level traceability code respectively. The expressions of the first-level traceability code, the second-level traceability code and the third-level traceability code are all unique strings, corresponding to different levels of traceability systems.
[0034] Set up a first-level traceability system in the raw material factory to generate a first-level traceability code for each or each batc...
Embodiment 2
[0043] This embodiment provides a hierarchical traceability method of the entire industry chain, using the above-mentioned hierarchical traceability system of the entire industry chain, including at least the first-level traceability system, the second-level traceability system and the third-level traceability system, such as figure 2 As shown, the steps of the method are as follows:
[0044] S01: The user scans the three-level traceability code on the product, and requests product traceability information from the three-level traceability system;
[0045] S02: The three-level traceability system returns product traceability information to the user;
[0046] S03: The user requests traceability information of semi-finished products and raw materials from the three-level traceability system;
[0047] S04: The third-level traceability system decodes the third-level traceability code to obtain a second-level traceability code, the second-level traceability code corresponds to a ...
Embodiment 3
[0059] This embodiment is basically the same as Embodiment 2, the difference is that when the traceability code of the lower-level traceability system is inquired and authenticated by the upper-level traceability system, the traceability system will register the query record in the blockchain network, and the traceability code of the query The code and query time are authenticated by the timestamp server.
[0060] Such as Figure 4 As shown, the steps of the method are as follows:
[0061] S11: The user scans the third-level traceability code on the product, and requests product traceability information from the third-level traceability system;
[0062] S12: The three-level traceability system returns product traceability information to the user;
[0063] S13: The three-level traceability system saves the product traceability operation records in the blockchain network, and the traceability operation records include the traceability code and query time of the query;
[0064...
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