NFTs are digital tokens that are unique and cannot be exchanged for other tokens or assets. They have gained popularity in recent years as a way to create verifiable proof of ownership or authenticity for digital assets, such as artwork or collectibles. 

NFTs could be used in the travel industry to create unique, verifiable records of travel that could be used for a variety of purposes. For example, airlines could use NFTs as part of their loyalty programs, allowing customers to earn and redeem rewards based on their travel history. Border control agencies could also use NFTs to verify the travel history of visitors and ensure that they meet the necessary requirements for entry.

The use of NFTs in the travel industry could also help to address some of the challenges associated with traditional travel documentation, such as the risk of fraud or the need for physical documents. By creating verifiable digital records of travel, NFTs could help to streamline the travel process and improve security and efficiency.

Overall, the travel industry may be one of the most promising areas for NFT utility, and that we could see more adoption of these tokens in the industry in the coming years. However, as with any new technology, it will be important to carefully consider the potential benefits and risks before investing or adopting NFTs in the travel industry.