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Mastercard has filed a patent for a blockchain based payment solution

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Was going through this patent filed by Mastercard for their own blockchain based payment solution. Does not refer to using any of the existing platform/tokens as the currency of choice. Is this not a serious concern for all crypto-currency solutions being doled out specifically for the finance/banking domain?

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Mastercard Patent for Blockchain based Payment solution

Mastercard has filed a patent for a blockchain based payment soluti... | Ecency