The American retail giant Walmart (XETRA: WMT) is planning to implement blockchain for managing drones that deliver goods. This was stated in a company’s patent application recently filed with the United States Patent and Trademark Office. In the document, Walmart describes a system that links drones to each other.
For example, after the drone with the goods arrives to another company’s drone, the devices will exchange signals to identify each other. If the identification process passes successfully, the first drone will transfer the cargo to the second. The data used by the Unmanned Air Vehicle (UAV) will be placed into a blockchain database. It is planned that the signals between drones can be transmitted in various ways, including QR-codes or ultrasound. Also, it is possible to integrate smart contracts into the system.