New: americanexpressblockchai

chaudhary99 (25)in blockchain • 6 years ago
American Express is Eyeing Blockchain for a Proof-of-Payments System
American Express is Eyeing Blockchain for a Proof-of-Payments System Credit card giant American Express has filed a patent application for blockchain-based proof-of-payment technology.…
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American Express is Eyeing Blockchain for a Proof-of-Payments System