MasterCard makes patent application to implement blockchain in payment services

https://coins.newbium.com/post/5377-mastercard-makes-patent-application-to-implement-b

The United States Patent and Trademark Office (USPTO) has been posting interesting documents from some companies that aspire to develop or use blockchain technology for a variety of purposes. On this occasion, MasterCard, the bank card giant, has made 4 applications to the agency.

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