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 customer reward system using Blockchain technology. Under the system the company will offer customer-specific types of rewards that include points, a digital currency, or specific items linked to a product.
Based on the patent application published by the US Patent and Trademark Office (USPTO) in mid-October 2017, Amex will provide rewards by collecting personalized data about its customers, including their historic spending patterns. The company will use the technology as a resource for storing and updating information.
More insights: [https://cointelegraph.com/news/american-express-files-patent-on-blockchain-based-personalized-customer-rewards-system]