Downloadable virtual goods, namely, computer programs featuring footwear, clothing, headwear, eyewear, bags, backpacks, sports equipment, art, jewelry, journals, planners, accessories, cosmetics, music, and general consumer merchandise for use in online virtual worlds; Downloadable audio and video recordings featuring professional networking, business, entertainment, fashion, beauty, and wellness authenticated by non-fungible tokens (NFTs); Downloadable computer software for managing and validating cryptocurrency transactions using blockchain-based smart contracts; Downloadable computer software for managing and verifying cryptocurrency transactions on a blockchain; Downloadable computer software for managing cryptocurrency transactions using blockchain technology; Downloadable image files containing footwear, clothing, headwear, eyewear, bags, backpacks, sports equipment, art, jewelry, journals, planners, accessories, cosmetics, music, and general consumer merchandise authenticated by non-fungible tokens (NFTs); Downloadable multimedia file containing artwork relating to footwear, clothing, headwear, eyewear, bags, backpacks, sports equipment, art, jewelry, journals, planners, accessories, cosmetics, music, and general consumer merchandise authenticated by non-fungible tokens (NFTs); Downloadable multimedia file containing artwork, text, audio, and video relating to professional networking, business, entertainment, fashion, beauty, and wellness authenticated by non-fungible tokens (NFTs); Downloadable multimedia file containing text relating to footwear, clothing, headwear, eyewear, bags, backpacks, sports equipment, art, jewelry, journals, planners, accessories, cosmetics, music, and general consumer merchandise authenticated by non-fungible tokens (NFTs); Downloadable software for blockchain-based inventory management