GLOBAL SUPPLY CHAINS
Blockchain to monitor French retail giant Carrefour’s food sources
London — Europe’s largest retailer Carrefour has adopted blockchain ledger technology to track and trace chicken, eggs and tomatoes as they travel from farms to shops, and will deploy it across all of its fresh product lines in coming years. The French retail giant said it would rely on blockchain technology developed by IBM, which was working with retailers, logistics firms and growers to roll out systems to secure their global supply chains. The technology, called IBM Food Trust, enabled the industry to track and share information on how products were grown, processed and shipped.
The technology cut the time needed to check the provenance of food from days or weeks to seconds, IBM said. Blockchain, best known as the technology underlying cryptocurrency bitcoin, is a shared record of data kept by a network of individual computers rather than a single party. Proponents say it has the power to transform industries, from finance to real estate, but so far there has not been much...
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