American Express’s Revamped Travel App Could Use Ethereum NFTs on Coinbase Base as Digital Stamps, May Signal Wider Crypto Adoption

• Amex travel stamps are Ethereum-based digital collectibles minting on Base

• They integrate with a revamped Amex Travel App for in-app collection and sharing

• Adoption aligns with broader crypto travel trends: 560M crypto holders and rising travel spend

Amex travel stamps: Ethereum-based travel NFTs in the Amex Travel App — collect, customize and share your trips. Learn how to get started today.

What are American Express travel stamps?

Amex travel stamps are blockchain-backed digital collectibles issued to eligible American Express Card Members as part of a redesigned Amex Travel App. These stamps are minted on Coinbase’s Base network as Ethereum-compatible tokens and act as personalized, shareable records of international travel.

How do Amex travel stamps work?

Amex travel stamps mint as NFTs on the Base network and are tied to Card Member travel activity. Members can customize stamps with trip highlights, store them in a digital wallet integrated via the app, and share images or proof-of-visit details with contacts.

American Express positions the stamps as a modern replacement for physical passport stamps, combining loyalty utility with Web3 provenance and transferability.

Why did American Express add blockchain stamps?

American Express aims to modernize travel engagement by combining loyalty, personalization and digital ownership. Executives say the stamps help Card Members celebrate trips while enabling new social and loyalty features inside the Amex Travel App.

Audrey Hendley, president of American Express Travel, said the app delivers a simpler way to plan and book trips “all in one place.” Luke Gebb of Amex Digital Labs called the initiative “Amex Passport,” framing it as a digital evolution of disappearing physical passport stamps.

When can Card Members collect travel stamps?

Eligible Card Members can collect stamps upon qualifying travel activity as defined in the Amex Travel App terms. Stamps are issued through the app flow and can be personalized with highlights, photos and trip notes for sharing.

The surge in crypto usage for travel — what the data shows

Industry data shows more than 560 million people own cryptocurrencies globally (source: Triple.A). In 2024, roughly 14% of digital currency transactions were spent on travel and hospitality, indicating meaningful consumer demand for crypto-enabled travel services.

Airlines and travel vendors that adopted crypto payment options reported booking increases in some cases; internal reporting referenced a 40% boost in bookings where digital currency acceptance was expanded.

The announcement coincided with a modest market reaction: American Express shares traded near $327.26, marking a small uptick after the news (source: Google Finance).

How will Amex travel stamps impact the travel and crypto ecosystems?

Amex travel stamps create a bridge between mainstream financial services and Web3 user experiences. For travel brands, NFTs and blockchain can deliver provable scarcity, continuity of ownership and new loyalty mechanics. For crypto, high-profile adoption by a payments leader signals growing mainstream integration.

How to collect and manage Amex travel stamps (step-by-step)

1. Check eligibility: Confirm Card Member eligibility in the Amex Travel App.
2. Book travel: Make qualifying travel bookings through the app or designated partners.
3. Claim stamp: After travel completion, claim the digital stamp inside the app and add custom highlights.
4. Store or share: View stamps in the app’s collection and share images or ownership details with contacts.

Frequently Asked Questions

Do Amex travel stamps require a crypto wallet?

Not necessarily for viewing and collecting inside the Amex Travel App; however, advanced ownership features or external transfers may require a compatible Ethereum wallet. Details will be provided in the app’s settings.

Is this an official Coinbase collaboration?

The stamps are minted on Coinbase’s Base network; this is described as the underlying Layer 2 for token issuance in the Amex announcement. Coinbase and Base are referenced as platform names in official communications.

Key Takeaways

• Amex adopts Web3: American Express introduced Ethereum-based travel stamps to modernize travel mementos and loyalty features.
• Mainstream signal: The move underscores growing crypto integration in travel as consumer crypto ownership and travel spend rise.
• Card Member utility: Eligible users can collect, customize and share stamps through the revamped Amex Travel App.

Conclusion

American Express’ travel stamps and a redesigned Amex Travel App merge payments, loyalty and Web3 provenance into a consumer-facing experience. By issuing Ethereum-compatible stamps on Base, Amex positions itself at the intersection of mainstream travel services and blockchain innovation — a model other travel providers may study and adapt.

Publication date: 2025-09-16. Updated: 2025-09-16. Author: COINOTAG.