35 Provision of an online marketplace for buyers and sellers of downloadable digital art images, music, video clips, authenticated by non-fungible tokens (NFTs); provision of an online marketplace for buyers and sellers of downloadable digital art images authenticated by non-fungible tokens (NFTs); the bringing together, for the benefit of others, of downloadable music files authenticated by non-fungible tokens (NFTs), downloadable audio and video recordings featuring sports highlights, movie clips, memes authenticated by non-fungible tokens (NFTs), downloadable image files containing trading cards, artwork, memes and sneakers authenticated by non-fungible tokens (NFTs), downloadable multimedia file containing artwork, text, audio, and video authenticated by non-fungible tokens (NFTs), downloadable multimedia file containing artwork authenticated by non-fungible tokens (NFTs), downloadable multimedia file containing text authenticated by non-fungible tokens (NFTs), downloadable multimedia file containing audio authenticated by non-fungible tokens (NFTs), downloadable audio recordings featuring music and poetry authenticated by non-fungible tokens (NFTs), downloadable video recordings featuring sports highlights, movie clips and memes authenticated by non-fungible tokens (NFTs), downloadable multimedia file containing video authenticated by non-fungible tokens (NFTs), excluding the transport thereof, enabling customers to conveniently view and purchase those goods by means of retail stores