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 ...

Walmart says it now has a better system for pinpointing which batches of leafy green vegetables might be contaminated. Walmart says it now has a better system for pinpointing which batches of leafy ...

(Reuters) - Walmart and its unit Sam's Club said on Monday leafy greens suppliers will be asked to implement real-time, farm-to-store tracking using blockchain technology by next September, as the ...