The blockchain doesn’t record personal information like the card member name and card details. Instead American Express tokenizes that data.

Travel and entertainment is an important sector for American Express and in 2017 accounted for 23% of card spend in the U.S. Its cobrand card with Delta made up approximately 8% of billed business in the same period. Hence it’s no surprise that it already has a blockchain partner in travel.

RocketMiles enables travelers to earn rewards on hotel bookings, and the customer selects their desired rewards program. Th…
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