Downloadable virtual goods, namely, computer programs featuring digital collectibles in the nature of clothing created and traded using blockchain-based software technology and smart contracts and authenticated by non-fungible tokens (NFTs) for use in online virtual worlds; Providing downloadable computer programs and/or mobile software applications for the production, automated and non-automated creation, and automated and non-automated modification of interactive media, video clips, photography, music, data, visual effects, digital files, digital collectibles, crypto-collectibles and non-fungible tokens on a blockchain network featuring or linking to digital or physical clothing and intellectual property assets for access and use in online environments, virtual online environments, extended reality virtual environments; Providing downloadable computer programs and/or mobile software applications for electronically trading, storing, sending, receiving, accepting and transmitting interactive media, video clips, photography, music, data, visual effects, digital files, digital collectibles, crypto-collectibles and non-fungible tokens on a blockchain network featuring or linking to digital or physical clothing and intellectual property assets for access and use in online environments, virtual online environments, extended reality virtual environments; Providing downloadable computer programs and/or mobile software applications for authentication using blockchain-based software technology; providing downloadable computer programs and/or mobile software applications and technology solutions for the purpose of product and document authentication and tracking, and brand monitoring and protection, to protect against counterfeiting, tampering, and diversion, and to ensure the integrity of genuine products and documents