Grain and oil food credible tracing method and equipment based on block chain

Grain and oil food credible tracing method and equipment based on block chain

The invention discloses a grain and oil food credible tracing method and equipment based on a block chain, belongs to the technical field of block chains, and is used for solving the technical problems that an existing grain and oil food data storage method cannot ensure the authenticity and transpa...

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Hauptverfasser: XIAO XUE, LI WENBO, MA LONG, TIAN JIAYUN, SHANG GUANGYONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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creator XIAO XUE
LI WENBO
MA LONG
TIAN JIAYUN
SHANG GUANGYONG
description The invention discloses a grain and oil food credible tracing method and equipment based on a block chain, belongs to the technical field of block chains, and is used for solving the technical problems that an existing grain and oil food data storage method cannot ensure the authenticity and transparency of grain and oil food data and cannot trace full supply chain data of grain and oil food. The method comprises the steps of performing format verification on grain and oil food data of each supply link in a block chain node through an intelligent contract; acquiring data summary information of the grain and oil food data in each supply link; encrypting the data summary information through a digital signature technology to obtain corresponding signature data; according to the signature data, verifying the grain and oil food data of each supply link uploaded by the user, and storing the data into a cloud database after the verification is passed; determining a data index code according to the grain and oil food
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subjects CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
title Grain and oil food credible tracing method and equipment based on block chain
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