In a very meta move with proceeds going to an international charity dedicated to improving and expanding access to education, Merriam-Webster is auctioning off its helpful, edifying
definition of an NFT (Non-fungible token,
previously) as an NFT. The dictionary
definition is: a unique digital identifier that cannot be copied, substituted, or subdivided, that is recorded in a blockchain, and that is used to certify authenticity and ownership (as of a specific digital asset and specific rights relating to it). More at the links above.