Walmart, one of the most popular trading networks in the United States, proceeded with two applications to the Patent and Trademark Office (the USA). These applications contain the description of blockchain technology for keeping payment information and their security against unauthorised access.
As CoinDesk has just informed, Walmart offers to create vendor payment system on the net basis, which can automatically make transactions on behalf of a client to various service providers. The chat is users-available, but closed for the third parties.
The second solution describes the system of digital trading with the use of blockchain technology for encrypting payment information.
Recently Walmart proceeded with application which included the description of goods delivery tracking of «smart» system. The system used specific “smart” package which could include into blockchain the information about goods location, environmental conditions and other data.