Footwear giant Nike (NYSE:NKE) patented shoes that are tokenized as a non-fungible token (NFT) on the Ethereum blockchain, dubbed CryptoKicks.
The patent — dated Dec. 10 — describes a digital asset for footwear and ways to use it. One implementation of the technology described in the document is an Ethereum ERC721 or ERC1155 token used to authenticate and transact a physical shoe.