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Applications of Blockchain Platform in Agri-food Supply Chains

Authored by Dr. Sheetal Menon, Lifesciences Consultant,

Innovation Advisory at Sathguru Management Consultants

Let us take a look at the following scenarios:If you have heard of the trending buzzword #blockchain, I am sure your thoughts would have been intuitively directed to bitcoin and other cryptocurrencies. As a distributed and collective public ledger system, blockchain is perhaps most often associated with fin-tech. But what if you were told this technology has the potential to make every transaction in the agri-supply chain transparent, traceable, and verifiable without any third-party oversight?

Dr. Sheetal Menon, Lifesciences Consultant
  1. In 2017, a multistate Salmonella outbreak infected over 220 people in the US, linked to the imported Maradol papayas from Mexico. Centre for Disease Control (CDC) along with the FDA conducted DNA fingerprinting of samples from patients to trace the source of contamination. This news received much attention, not just from a food safety point-of-view, but more importantly for traceability, mitigation, and containment of contamination.
  1. In the year 2015, a multinational food and beverage company had to recall over 38,000 tonnes of noodles from the market due to presence of certain avoidable ingredients in their product. The brand value took a hit in market share (from 80% to 60%), spending over $70 million in recalls, with lost sales of over $277 million.
  1. In 2013, the horse meat scandal exposed food labeling fraud in the UK, wherein burgers and ready meals on sale by leading retailers and fast food outlets contained traces of undeclared horse meat instead of processed beef.

For each case, it is hypothesized that blockchain technology would have facilitated traceability across the entire process, expediting real-time corrective actions, and perhaps a priori mitigation of its occurrence. Given the technology’s vast potential, this has been a trending topic since its inception. So what does a #blockchain entail?

Simply put, blockchain is a platform technology managed by a collective of computers, with no centralized authority to approve transactions. All entries on this system offer near-instant visibility to participants in the supply chain. Any entry in this ledger can only be changed after consensus is reached among participants. Once committed, no participant can alter past transactions. In an integrated world, global supply chains would function as an intricate web of inter-connections for optimizing supply and demand. Differences in regulatory frameworks across nations also complicate their functioning.

According to an IFC report, blockchains have the potential to integrate supply chain transactions in real-time, as well as identify and audit the origin of goods in every link of the chain. When applied to the food supply chain, critical product information such as origin and expiration dates, batch numbers, processing data, storage temperatures, and shipping details get digitized and entered into the blockchain at every step along the chain. Using smart-phones to read QR codes to get details on the source of meat, including an animal’s date of birth, usage of antibiotics, vaccinations, livestock harvest, dispatch and shipping can easily be traced.

Increasingly, companies are now developing infrastructure to leverage blockchain to make supply chains more robust, efficient, and traceable. Brands like Unilever and Sainsbury have partnered with financial investors like Barclays, BNP Paribas, and Standard Chartered, to conduct one-year pilot project on how blockchain technology can financially reward and promote sustainable practices for Malawian tea farmers. This trial system would record price, produce and production information for over 10,000 tea farmers.

In early 2017, food giants like Wal-Mart, Nestlé, and Unilever (among others) collaborated with IBM to apply blockchains to global food supply chains. On this platform, IBM will offer Blockchain-as-a-Service (BaaS) to build and participate in a private blockchain network spanning the entire global food supply chain. Food growers, distributors, suppliers, processors, retailers, regulators, and consumers themselves will have access to data on origin and transaction history of food products worldwide. According to IBM, investing in such a platform would enhance traceability and accountability among stakeholders. It was highlighted in a Forbes Report that by conventional methods Walmart took in 6 days, 18 hours, and 26 minutes to trace the exact farm location of mangoes. Using blockchain, the same task was completed in under 3 second.

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