Which major retailer launched the first large-scale blockchain-based food traceability system that allows customers to scan QR codes to see a product's complete supply chain journey?

Blockchain technology is transforming the retail landscape by enhancing supply chain transparency, combating counterfeit products, and revolutionizing customer loyalty programs. Major retailers worldwide are implementing blockchain solutions to address longstanding industry challenges. This poll tests your knowledge of how this transformative technology is being applied in the retail sector and which companies are leading the innovation charge.

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Walmart
Carrefour
Alibaba
Amazon