Which major food retailer first implemented a large-scale blockchain system in 2018 to trace the origin of food products and improve food safety?

The food industry is increasingly adopting blockchain technology to enhance product traceability and build consumer trust. Major retailers and food manufacturers are implementing these systems to track products from farm to table, ensuring food safety and authenticity. This poll tests your knowledge about a pioneering blockchain implementation in the food retail sector that changed how we verify food origins and safety.

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Walmart
Kroger
Whole Foods
Carrefour