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 ...

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 was recently awarded a patent that describes a system of storing patient medical records on the blockchain within a wearable device so first responders can access patient data in emergency ...