American Express launches travel stamp NFTs on Base

blockworks.co/news/amex-stamp-nfts-base

American Express launches travel stamp NFTs on Base
Crypto wallets are spun up on the backend to facilitate Amex’s latest blockchain push
Hanna Yandiuk/Shutterstock modified by Blockworks
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This story appeared on blockworks.co, 2025-09-15 18:15:00.
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