NFTinder (NFTNDR) appears to be related to NFT identity solutions, potentially linked to the 'NFT_Identity' project. This project tokenizes user identities – individuals, developers, companies, or projects – as programmable NFTs secured on the blockchain. Features include progressive token burns from app fees and free beta access for early investors registered at nftidentity.eu. The project is KYC verified, audited, and has a released whitepaper. It's positioned as a next-generation app for digital identity.