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Blockchain-Based Digital Coupons Move Closer To Deployment

Blockchain sometimes feels like a solution in search of a problem, but it does make sense as a tool to prevent illegitimate use of digital coupons. Industry cooperative The Coupon Bureau has set out a roadmap to deploy its Universal Positive Offer File, a central database of single-use offers that can be validated in real time. It will replace a bar code-based system.