American retail giant Walmart has filed two applications to the Bureau for registration of patents and trademarks USA (USPTO), which describes the technology of the blockchain.
In the first application, the payment system based on the blockchain that will automatically carry out transactions on behalf of the client to various suppliers of goods and services. The transaction history will be available only to counterparties and closed to third parties.
The second application is described a system of digital Commerce, where the blockchain is used to encrypt the payment data.
Although no application refers to the use of any particular blockchain, described in detail the operation of the system as such. It is also reported that both systems will use several options for user authentication.