Mastercard Wins Patent for Blockchain-based Coupon Authentication System

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Financial services giant Mastercard has won a patent for a system that uses blockchain technology to authenticate coupons. The patent, granted by the US Patent & Trademark Office (USPTO) on May 31, outlines a way for merchants to cut down on coupon fraud and more effectively issue targeted discounts to specific customers. The company first applied

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June 01, 2018 at 11:30AM