42 Creating and maintaining web sites for others; hosting the web sites of others; weather forecasting services provided online, via the Internet or via telecommunications; providing online information in the field of authentication, grading and quality control services of collectibles, jewelry, memorabilia and antiques; hosting of websites relating to blockchain-based non-fungible tokens (NFTs), including for creating, providing information about, authentication, valuation, selling, auctioning and trading NFTs; hosting of websites featuring digital token exchanges; hosting of websites featuring digital token trading; hosting of websites featuring transfer of digital art and collectibles, digital tokens; platform as a service (PaaS) and software as a service (SaaS) featuring software platforms for providing access to and related to digital art and collectibles, crypto-collectibles, NFTs, application tokens, and digital currencies; platform as a service (PaaS) and software as a service (SaaS) featuring software platforms for use in electronically buying, selling, receiving, sending, storing, trading, and processing transactions to and related to digital art and collectibles, crypto-collectibles, NFTs, application tokens, and digital currencies; platform as a service (PaaS) and software as a service (SaaS) featuring software platforms for providing information, communications, and authentications for digital art and collectibles, crypto-collectibles, NFTs, application tokens, and digital currencies; platform as a service (PaaS) and software as a service (SaaS) featuring software platforms for downloading, receiving, sending, and storing software, data, links, video files, and image files from the internet; platform as a service (PaaS) and software as a service (SaaS) featuring software platforms for providing access to digital marketplaces and auctions; technological consultancy relating to artificial intelligence and learning technologies for digital art and collectibles, crypto-collectibles, NFTs, application tokens, and digital currencies