Provision of an online marketplace for buyers and sellers of downloadable digital art image, music, video, clip work authenticated with non-fungible token(NFT); blockchain technology and virtual currency in the field of providing business information; blockchain technology and virtual currency in the field of advertising consultancy; blockchain technology and virtual currency in the field of marketing consultancy; provision of an online marketplace for buyers and sellers of goods and services; providing business information; compilation and systemization of information used in electronic transmissions; advertising, marketing and promotional consultancy, advisory and assistance services; advertising and business management consultancy; sales arranging of non-fungible token(NFT); business consultancy, in the field of payment by virtual currency; compilation of computerized databases in the field of cryptocurrency; organization, operation and supervision of virtual currency business; arranging of contractual trade services with third parties; advertising and marketing; administrative processing of purchase orders; commercial intermediation services; mediation of contracts for purchase and sale of products; sales arranging of crypto assets; auctioneering provided on the internet; business intermediary services relating to mail order by telecommunications; providing consumer information relating to goods and services; wholesale store services featuring computer game programmes; collection, systematization, compilation and analysis of business data and information stored in computer databases