Authentication of data in the field of clothing and apparel, both physical and digital, using blockchain technology; Authentication services in the field of apparel, footwear, and accessories; authentication services in the field of apparel, footwear, and accessories using radio frequency identification (RFID), QR codes, and/or near-field communication (NFC) tags, chips, labels, and stickers; providing temporary use of on-line non-downloadable software and applications for use in accessing, reading, tracking, and using blockchain technology-enabled apparel; Non-fungible tokens (NFTs); Providing a website featuring technology which enables users to view and access their digital apparel; Providing a website 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