American Express launches blockchain travel stamp feature

PANews reported on September 15 that according to CoinDesk, American Express launched the "Travel Stamps" digital seal based on Ethereum in the new version of the travel app. Users can get the seal every time they use the American Express card to spend. This seal is ERC-721 standard NFT, cast and stored by Coinbase Base network, has no transaction value and does not have points or circulation functions for the time being. American Airlines said that this move aims to enrich users' travel history and may expand cooperation scenarios in the future. The app also added a number of travel tools and Centurion Lounge upgrade services.