(Based on Use in Commerce) Advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, sharable or viral communications channels; Advertising in the popular and professional press; Commissioning of works of art; Development of marketing strategies, concepts and tactics, namely, audience development, brand awareness, customer relations, online community building and digital word of mouth communications; Development of marketing strategies, concepts and tactics, namely, audience development, brand awareness, online community building and digital word of mouth communications(Based on Intent to Use) Entertainment marketing services, namely, marketing, promotion and advertising for recording and performing artists; Maintaining a registry of sports memorabilia and works of art; Online auction services featuring goods authenticated by non-fungible tokens (NFTs); Provision of an online marketplace, using blockchain technology, for buyers and sellers of downloadable digital art images authenticated by non-fungible tokens (NFTs); Retail store services for works of art provided by art galleries