Credit card giant American Express may be looking into developing a new proof-of-payment (PoP) system based on blockchain technology.
A South Korean government-funded organization has submitted a blockchain-related patent application to the U.S. Patent and Trademark Office.
A patent application from Big Blue hints at a blockchain solution for scientific research.
Northern Trust Corporation has been granted a patent for a system to create immutable records of meetings on a blockchain.
A new Bank of America patent outlines how a permissioned blockchain might restrict users while still helping them access the information they need.