American retail chain Walmart has decided to patent another solution in the field of automated delivery products to enhance the security and credibility of the innovation. This time we are talking about using a distributed registry and drones that pass each other the goods passed at the meeting autentifici with “blockchain-keys”.

In the order issued by the Bureau on registration of patents and trademarks U.S., States that the signals for the identification of “Autonomous electronic devices” can be RFID-codes, QR codes, and ultrasound, and in addition, drones can be recognized by specific characteristics. The blockchain system is required to generate evidence of data integrity and sequence of operations.

Earlier, Walmart has filed a patent application describing solutions for the delivery of goods Autonomous vehicles, connected through the blockchain, and with the ability to track the delivery of goods to a certain buyer.