Abstract
In recent years, various food-safety issues have aroused public concern regarding safety in the food supply chain. Since grains are closely linked to human life and health, it is necessary to effectively manage information in the grain supply chain. The grain supply chain is characterized by a long life cycle, complex links, various hazards, and heterogeneous information sources. Problems with traditional traceability systems include easy data tampering, difficult hazardous-material information management, the “information isolated island” problem, and low traceability efficiency in the whole supply chain. Blockchain is a distributed computing paradigm characterized by decentralization, network-wide recording, security, and reliability. As such, it can reduce administrative costs and improve the efficiency of information management. Based on literature research and a field investigation of wheat-processing enterprises in Shandong Province, We analyze the operation process of grain supply chain. This study, therefore, proposed a new system architecture in the entire grain supply chain based on blockchain technology and designed a multimode storage mechanism that combines chain storage. This prototype system was tested and verified using actual cases and application scenarios. Compared to traditional systems, the proposed system is characterized by data security and reliability, information interconnection and intercommunication, real-time sharing of hazardous-material information, and dynamic and credible whole-process tracing. As such, this system is highly significant and has reference value for guaranteeing food quality and safety-process traceability.
Highlights
Various food-safety problems and scandals have arisen in recent years, such as mad cow disease [1], mercury-laced rice, toxic milk powder, gutter oil [2], bacteria-infected spinach, the horse-meat scandal [3], and fipronil-contaminated eggs [4]
This study aimed to build a grain supply chain information management solution based on blockchain technology
G1, G2, G3, G4, and G5 were taken as five typical links in the grain supply chain, and third-party regulatory agencies were taken as organizations to build the blockchain network
Summary
Various food-safety problems and scandals have arisen in recent years, such as mad cow disease [1], mercury-laced rice, toxic milk powder, gutter oil [2], bacteria-infected spinach, the horse-meat scandal [3], and fipronil-contaminated eggs [4]. The public pays more attention to food safety. Grain is a basic staple food that is considered important for human health and survival. Grains generally refer to cereals, potatoes, beans, and other crops, as well as processed and semifinished products. The grain supply chain is characterized by a long life cycle, complex links, various hazards, and heterogeneous information sources. Effective information management of the entire grain supply chain can
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