Japan’s Nippon Telegraph and Telephone has applied for a blockchain patent with the U.S. Patent and Trademark Office that could allow signing mobile subscription plans on the blockchain, where they will be stored and managed.
The world’s fourth largest telecommunications provider filed the application earlier this month.
Cryptoinvest reports NTT wants to create a type of blockchain contract that includes the signatures of both the sender and the receiver. Current contracts only include the signature of the sender (or seller).
This is important, according to NTT’s application, because when blockchain is used for virtual currency, problems include proving the contract has been agreed on by two or more parties. Read more here.