When dozens of people across the country got sick from eating contaminated romaine lettuce this spring, Walmart did what many grocers would do: It cleared every shred off its shelves, just to be safe.

Walmart’s ongoing investigation of blockchain technologies seems to have intersected with its growing interest in joining the healthcare space, according to a patent application released earlier this ...

NEW YORK, Oct 19 (Reuters) - IBM, U.S. retailer Walmart and Tsinghua University on Wednesday announced a joint effort to track the movement of food products in China using blockchain technology to ...