Downloadable virtual goods in the nature of image files of knives, sharpening stones, knife accessories, articles of clothing, shirts, headwear, clothing accessories, backpacks, bags, mugs and drink ware for use in online virtual environments and in online virtual worlds; downloadable virtual goods, namely, computer programs featuring knives, sharpening stones, knife accessories, articles of clothing, shirts, headwear, clothing accessories, backpacks, bags, mugs and drink ware for use in online virtual environments and in online virtual worlds; downloadable virtual goods in the nature of image files created with block chain-based software technology and smart contracts, in the nature of knives, sharpening stones, knife accessories, articles of clothing, shirts, headwear, clothing accessories, backpacks, bags, mugs and drink ware for use in online virtual worlds; downloadable virtual goods, namely, crypto-collectibles in the nature of downloadable image files of knives, sharpening stones, knife accessories, articles of clothing, shirts, headwear, clothing accessories, backpacks, bags, mugs and drink ware authenticated by non-fungible tokens (NFTs); downloadable image files containing artwork authenticated by non-fungible tokens (NFTs)