IBM is taking its food-tracking blockchain into production and has already signed up European supermarket giant Carrefour.
Walmart will begin tracking leafy greens using IBM's blockchain technology starting late next year, the company announced Monday.
Walmart's patent efforts have showcased how the retail giant is investigating blockchain, this time it's a project that sees a way for drones to talk.
A new patent filing finds retail giant Walmart seeking to utilize blockchain technology to solve problems when scheduling deliveries.
Retail giant Walmart is exploring a way to let households manage their electricity bills with prepayments in cryptocurrency.
A newly-released Walmart patent application outlines a digital resale marketplace placed on a blockchain.
A patent application submitted by Walmart proposes to use autonomous vehicles with a blockchain-based authentication system for package delivery.
A pair of Walmart patent applications discuss encrypting payment information using a blockchain.
Walmart is seeking a patent for a "smart package" that would use blockchain technology to track physical goods through their shipping journey.
The House Committee on Science, Space and Technology seemed excited about blockchain's applications after Wednesday's hearing.