Advertising and publicity services, namely, promoting the goods, services, brand identity and commercial information and news of third parties through print, audio, video, digital and on-line medium; Entertainment marketing services, namely, marketing, promotion and advertising for recording and performing artists; On-line retail store services featuring a variety of goods of others in the form of digital non-fungible tokens (NFT), material goods such as clothing, stickers, vinyl records, CDs, posters, memorabilia; Online retail store services featuring digital goods, namely, downloadable and non-downloadable goods in the form of non-fungible tokens (NFTs) and memorabilia for use in online virtual worlds; Online retail store services featuring downloadable digital images, music, videos, and memorabilia authenticated by non-fungible tokens (NFTs); Online retail store services featuring virtual goods, namely, downloadable and non-downloadable goods in the form of non-fungible tokens (NFTs) and memorabilia for use in online virtual worlds; Providing a website featuring an online marketplace for exchanging goods and services with other users; Provision of an on-line marketplace for buyers and sellers of downloadable and non-downloadable digital goods; Provision of an online marketplace for buyers and sellers of downloadable digital art images authenticated by non-fungible tokens (NFTs); Provision of an online marketplace for buyers and sellers of downloadable digital images, music, videos, and memorabilia authenticated by non-fungible tokens (NFTs); Provision of an online marketplace for buyers and sellers of goods and services; Provision of an online marketplace, using blockchain technology, for buyers and sellers of downloadable digital images, music, videos, and memorabilia authenticated by non-fungible tokens (NFTs)