blockchain patents

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American Express Thinks Blockchains Could Help Prove Payments
Credit card giant American Express may be looking into developing a new proof-of-payment (PoP) system based on blockchain technology.
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Korean Government-Backed Researchers File for Blockchain Patent
A South Korean government-funded organization has submitted a blockchain-related patent application to the U.S. Patent and Trademark Office.
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Northern Trust Wins Patent for Storing Meeting Minutes on a Blockchain
Northern Trust Corporation has been granted a patent for a system to create immutable records of meetings on a blockchain.
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Bank of America Patents Blockchain Security Tools
A new Bank of America patent outlines how a permissioned blockchain might restrict users while still helping them access the information they need.
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