Downloadable audio files authenticated by non-fungible tokens [NFTs]; Downloadable audio recordings authenticated by non-fungible tokens [NFTs]; Downloadable digital artwork authenticated by non-fungible tokens [NFTs]; Downloadable digital clothing authenticated by non-fungible tokens [NFTs]; Downloadable digital files authenticated by non-fungible tokens [NFTs]; Downloadable digital handbags authenticated by non-fungible tokens [NFTs]; Downloadable digital jewellery authenticated by non-fungible tokens [NFTs]; Downloadable digital sneakers authenticated by non-fungible tokens [NFTs]; Downloadable multimedia files containing artwork authenticated by non-fungible tokens [NFTs]; Downloadable multimedia files containing audio authenticated by non-fungible tokens [NFTs]; Downloadable multimedia files containing text authenticated by non-fungible tokens [NFTs]; Downloadable multimedia files containing video authenticated by non-fungible tokens [NFTs]; Downloadable music files authenticated by non-fungible tokens [NFTs]; Downloadable video files authenticated by non-fungible tokens [NFTs]; Downloadable video recordings authenticated by non-fungible tokens [NFTs]; Downloadable wallets for storing digital files authenticated by non-fungible tokens [NFTs]