Carrefour wants to track 20% of its products on the blockchain by 202032

Carrefour is betting big on distributed ledger tech. The french supermarket behemoth wants to track 20 percent of all of its in-house products on the blockchain by the end of 2019. The retailer already uses the technology to track 20 out of its 300 Carrefour-branded products across the supply chain, but it plans to add about 40 more goods to the list over the coming months, Carrefour blockchain pr...

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