Downloadable multimedia files containing artwork, text, audio, and video relating to footwear, clothing, headwear, eyewear, bags, sports bags, backpacks, sports equipment, art, toys and clothing accessories authenticated by non-fungible tokens (NFTs); Downloadable virtual goods, namely, computer programs featuring footwear, clothing, headwear, eyewear, bags, sports bags, backpacks, sports equipment, art, toys and clothing accessories for use in online virtual worlds; Crypto collectibles in the nature of downloadable multimedia files containing artwork in the field of footwear, clothing, headwear, eyewear, bags, sports bags, backpacks, sports equipment, art, toys and clothing accessories authenticated by non-fungible tokens (NFTs)