2018-7-15 02:19 |
According to the U. S. Patent and Trademark Office [USPTO], American Express filed a patent related to blockchain technology on 12th January 2017. The giant financial corporation’s patent refers to a proof-of-payment system based on the blockchain.
The patent’s applicant is listed under AMEX’s travel wing. American Express Travel Related Services Co. ’s proposed system will automate […].
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