Walmart's recent patent efforts have showcased how the retail giant is investigating blockchain, and a new filing points to a focus on autonomous delivery drones.
The application was published on August 30, detailing a system by which "autonomous electronic devices" communicate with each other wirelessly and pass transported objects to each other after an identification process.
After one drone travels to a specific spot where another one is located, they exchange authentication signals using "blockchain keys," and if the first robot successfully recognizes its "co-worker," it passes it the package. Drones would rely on a database of delivery information stored on whichever blockchain the company is operating.
To identify each other, robots use can use a variety means to actually send signals from one to the other, including RFID codes, QR codes or ultrasound, the patent filing says.
Read more: https://www.coindesk.com/walmart-explores-blockchain-for-connecting-automated-delivery-drones/