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The Future of Fulfillment, According to Walmart Patent Filing? Drones, Blockchain and Robots

Two years after Amazon conceived of the conceptual Prime Air service that envisions a fleet of drones handling package deliveries, Walmart has applied for a patent for a delivery system that’s also centered around unmanned aerial vehicles—but brings blockchain and robots into the mix, too. Blockchain is a distributed ledger, or database, comprised of nodes…

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