Radio frequency identification (RFID), QR codes, and/or near-field communication (NFC) software, tags, chips, labels, and stickers for use with and in apparel, shoes, and accessories, which register the item(s) on the blockchain for authentication purposes, to prove both ownership and authenticity, and to be used in metaverse games; downloadable mobile applications for accessing a marketplace for purchase of NFC enabled apparel and authentication of apparel using blockchain technology; downloadable computer software to enable consumers and businesses to interact with digital apparel, cryptocurrency, online services, and databases; software for use in accessing, reading, tracking, and using blockchain technology, cryptocurrency, digital assets, and digital apparel; Digital goods, virtual goods, digital authentication, digital apparel, video game assets, video game skins, non-fungible tokens (NFTs), distributed ledger/blockchain-based assets; Downloadable computer software platform for providing access to crypto-collectibles; downloadable software in the nature of a mobile or desktop application for providing access to crypto-collectibles; Mobile application that uses NFC and blockchain technology to facilitate secure secondary market transactions for NFT-enabled goods, allowing users to list items for sale, have the digital NFT token locked in escrow and then when the new user receives the physical item they scan it and the system records and finalizes the transaction; Non-fungible tokens (NFTs)