Abstract
This work presents how a digital identity management system can support food supply chains in guaranteeing the quality of the products marketed and the compliance of the several supply-chain’s nodes to standards and technical regulations. Specific goal of this work is to present a system that provides full visibility of process/food certifications, which nowadays are issued by accredited and approved certification bodies (issuers) and delivered and stored in paper version by the several participants (holders) of the supply chain. The system is designed and implemented by combining the latest most innovative and disruptive technologies in the market—Self Sovereign Identity system, Blockchain, and Inter Planetary File System. The crucial aspects that it aims to hit are the storage and access of food/process certifications, and the proper eligibility verification of these certifications exploiting the concepts of the Self Sovereign Identity-based models. The proposed system, realized by using standards that are WWW Consortium-compatible and the Ethereum Blockchain, ensures eligibility, transparency, and traceability of the certifications along a food supply chain, and could be an innovation model/idea that the companies that adopt the Open Innovation paradigm might want to pursue.
Highlights
Today, in an increasingly globalized world, companies connect ever more closely to their customers and partners around the world
Our work aims to manage the food/process certifications along the supply chain, and is designed in such a way to be integrated in a supply chain management system in which both the identities of the participants, and those of the Internet of Things (IoT) devices, are a type of decentralized identities (DIDs)
We propose a system characterized by the requirements of interoperability, portability, pseudonymity, recovery, scalability, security, and usability, compatible or adoptable to the standards of DIDs and verifiable credentials (VCs) under development by the WWW
Summary
In an increasingly globalized world, companies connect ever more closely to their customers and partners around the world. Companies expand beyond national borders, aiming for continuous improvement and for increasing the trust and loyalty of their customers They standardize their processes/procedures in such a way to be able to guarantee their customers to work methodically to achieve a specific result, so that the quality of the products marketed can always be guaranteed. By means of these certifications, a third independent party, which can be for example a certification body, a test laboratory, a certification center or a calibration center, certifies with a sufficient level of confidence that a particular product, service, or process complies with a given standard or technical regulation This is a typical third-part model, in which if an/a actor/participant along the supply chain wishes to own a certification has to start a request process to obtain the desired certification signed by a trusted authority. Maybe only in future we could see complete SSI model in which individuals share their data by using verifiable attestations/presentations
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