American Express has rolled out NFT passport stamps for US cardholders, stored on Ethereum’s Base network. The digital stamps can be customised to highlight travel experiences like meals, hotels, or monuments. This initiative modernises the fading tradition of passport stamps and aligns Amex with global brands experimenting with NFTs, including Lufthansa, Mastercard…American Express has rolled out NFT passport stamps for US cardholders, stored on Ethereum’s Base network. The digital stamps can be customised to highlight travel experiences like meals, hotels, or monuments. This initiative modernises the fading tradition of passport stamps and aligns Amex with global brands experimenting with NFTs, including Lufthansa, Mastercard…
