American Express has introduced a new way for travelers to remember their journeys, launching digital passport stamps stored as NFTs on Ethereum’s layer-2 network Base. The initiative, called Amex Passport, gives U.S. Amex consumer cardholders the chance to collect non-fungible token stamps tied to their trips.

Each ERC-721 stamp can be customized with highlights from a traveler’s experience, such as a favorite attraction, memorable meal, or hotel stay. Unlike traditional passport stamps, these tokens cannot be transferred or traded, making them personal keepsakes. The stamps display the country or region visited, a description, and the date earned—without revealing personal data.

Luke Gebb, Executive Vice President at Amex Digital Labs, said the project aims to fill the gap left by disappearing physical passport stamps. “Part of the magic of travel is reminiscing about past getaways, and commemorative keepsakes are a powerful way for travelers to relive their favorite trips,” he noted.

Demand for digital travel mementos appears strong. A recent Amex survey revealed that 73% of respondents wanted new ways to preserve travel memories, while 56% said they missed traditional passport stamps. Amex users can also share these blockchain stamps on social media or save them directly to their camera roll. Trips booked up to two years ago through Amex will be automatically included.

The move comes as blockchain finds new footholds in the travel and hospitality sector. Travala, a crypto-native booking platform, has integrated digital payments for millions of hotel listings, while more airlines have started accepting cryptocurrency for tickets. Research from Triple-A shows that 14% of all crypto transactions in 2024 were linked to travel and hospitality.

With American Express entering the NFT space, crypto integration in tourism is moving from niche to mainstream.