Carrefour to use blockchain to track all fresh products by 2022

Europe’s largest retailer Carrefour has adopted blockchain ledger technology to track and trace chicken, eggs and tomatoes as they travel from farms to stores, and will deploy it across all of its fresh product lines in coming years. Julian Satterthwaite reports.

(Reuters) – You’re looking at blockchain pioneers.

Giant French supermarket Carrefour says it’s going to use the much-hyped technology to track produce from farm to shop shelf.

Among its first targets: chicken eggs.

Software from IBM will record each bird, each egg, every step of the way.

Think of it as an open record that is updated by different people along the supply chain:


“This techology is going to allow retailers to trace the provenance of food in seconds. Currently it takes days to be able to do that. So if there’s a food crisis, for example the outbreak of food poisoning, salmonella, it means the retailers can find out immediately, or much more quickly, what the source of that problem is.”

Carrefour says the system will track 300 fresh products across the world by 2022.

Walmart plans to use the same tech for leafy greens.

It could be a big moment for a technology that has lacked major, real-world applications.

Just one problem.

With artisanal products all the rage these days, will small-scale producers buy in?


“It’s still pretty unclear how widely this technology can take off without the real participation of people at the bottom of supply chains. So essentially that means how many farmers, are really going to start using this technology and entering data into complex systems.”

With every egg now traceable back to its origin, the system will at least answer one question.

As far as blockchain is concerned, the chicken definitely comes first.

Chickens and eggs: Retailer Carrefour adopts blockchain to track fresh produce

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