American Express Turns Travel Memories Into NFT Passport Stamps

According to their trusty reports (and probably some enthusiastic interns who just discovered NFTs), Amex has rolled out a service called Amex Passport. This gem of a feature issues what are essentially NFT-style stamps-ERC-721 tokens, no less-on the Ethereum layer-two network, called Base. Because, of course, what’s a passport without the essence of cryptocurrency, right?


