Blockchain drone technology continues to grow, particularly with commercial development by major brands like Amazon and Walmart.
Retail giant Walmart has applied for a cryptocurrency patent that bears some similarities to the Libra token proposed by Facebook in mid-June.
IBM has recruited two more major shipping carriers to join the blockchain platform it owns with container giant Maersk.
Walmart China has launched a blockchain-based platform aimed to address food safety concerns in the country.
Walmart will take part in a second drug-tracking blockchain pilot, this one with IBM, KPMG and drug maker Merck.
Retail giant Walmart has joined MediLedger, a consortium building a blockchain for tracking pharmaceuticals.
Albertsons Companies, the world's second-largest supermarket chain by sales, has joined IBM's food tracking blockchain.
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.