Provision of an online marketplace for buyers and sellers of downloadable digital images, digital artwork, digital music clips, digital video clips and digital videos authenticated by non-fungible tokens (NFTs); Online retail store services featuring virtual goods, namely, digital artwork, digital images, digital music clips, digital videos, digital collectibles, digital tokens and non-fungible tokens (NFTs); Providing an online marketplace for buyers and sellers of blockchain-based non-fungible assets; operating on-line marketplaces featuring crypto collectibles and blockchain-based non-fungible assets; Providing digital collectible services, namely, operating an online marketplace for transactions and registry services using blockchain-based software technology and smart contracts for digital collectibles