Authentication of data in the field of collectibles using blockchain technology; Authentication of data in the field of art using blockchain technology; Authentication of data in the field of non-fungible tokens (or, NFTs) using blockchain technology; Computer services, namely, hosting an interactive web site that allows registered users ("users") to create and sell NFTs; users to design and create customized profile pages; users to interact with one another (whether based on NFT ownership or not); users to buy, sell, and trade NFTs; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Providing a social networking website which features technology that enables users to give charitable gifts to others; Providing a website that gives users the ability to review various print, photographic, graphic image, and audio and video content and utilize a custom template to provide input, likes, dislikes, edits, changes, modifications, opinions, suggestions, and comments and engage in social, business and community networking; Graphic illustration and drawing services, namely, custom design of graphic images for use as part of NFTs