GoKawiilAmerican Express launches blockchain-based Amex Passport for travel stamps
American Express built a new feature called Amex Passport that converts card transactions abroad into digital collectible stamps stored in its mobile app, using blockchain technology on the Base platform. The idea originated from an employee who noticed that physical passport stamps are disappearing, backed by survey data showing most travelers want digital ways to mark trips. Amex has since expanded the feature to let cardholders generate stamps retroactively for trips dating back to 2019.
GoKawiil's interpretation of the reporting above, not reported fact.
The project shows a major financial institution using blockchain and NFT-style technology not for speculative assets but for everyday customer engagement tied to spending data. It also signals how legacy companies are trying to modernize nostalgic, tactile experiences like passport stamps into digital rewards that reinforce brand loyalty and card usage abroad.
- Amex Passport turns international card transactions into digital collectible stamps.
- The feature uses blockchain technology on the Base platform, forming one of its largest NFT collections.
- Amex expanded the program to cover trips as far back as 2019 after customer demand.
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Published there as: “American Express harnessed blockchain to create Amex Passport”
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