Non-fungible tokens (NFTs) grading and authentication services; web-based services related to NFTs, namely for providing information about, searching for, grading, authentication and valuation of NFTs; platform as a service (PaaS) and software as a service (SaaS) services featuring software platforms for assessing the quality of and grading NFTs, digital art and collectibles and crypto-collectibles; platform as a service (PaaS) and software as a service (SaaS) services featuring software platforms for providing access to and related to NFTs, digital art and collectibles and crypto-collectibles; platform as a service (PaaS) and software as a service (SaaS) services featuring software platforms for use in electronically storing and providing archival backups for NFTs, digital art and collectibles and crypto-collectibles; platform as a service (PaaS) and software as a service (SaaS) services featuring software platforms for providing information, communications, authentications, user data, reviews and feedback for NFTs, digital art and collectibles and crypto-collectibles