harsushi (25)

Joined November 2017 Active 7 years ago

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harsushi (25)in #blockchain • 7 years ago
@AmericanExpress files #patent on #blockchain based personalized #CustomerRewards system. @cointelegraph
American Express Travel Related Services Co., Inc., the travel and merchant unit of financial services firm American Express (Amex), has filed a patent for a personalized…
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@AmericanExpress files #patent on #blockchain based personalized #CustomerRewards system. @cointelegraph