41 Arranging and conducting of educational events, namely, art events, exhibition events, classes, seminars, conferences, and workshops in the field of non-fungible tokens (NFTs); providing educational courses, seminars, classes, conferences, and workshops in the field of non-fungible tokens (NFTs); providing educational courses, seminars, classes, conferences, and workshops in the field of finance on blockchain, namely, blockchain based financial transactions; providing educational courses, seminars, classes, conferences, and workshops in the field of blockchain software, namely, development of blockchain based computer software; providing online non-downloadable music files authenticated by non-fungible tokens (NFTs); providing on-line non-downloadable electronic publications in the form of books, magazines, journals, newsletters, brochures, and manuals in the field of non-fungible tokens (NFTs) through non-downloadable image files; Entertainment services, namely, providing on-line, non-downloadable digital collectibles in the nature of interactive media in the nature of computer games, video clips, photos, music, information in the nature of singers, actors, graphics, and visual effects in the nature of videos, authenticated by non-fungible cryptographic tokens (NFTs) using a blockchain based computer network, in the field of entertainment; educational services, namely, training in the field of trading cryptocurrency, crypto tokens, authenticated by non-fungible tokens (NFTs), and other virtual currencies consisting of tokens that can be accumulated in the virtual world and exchanged and traded between players and for other virtual goods, for use in online virtual worlds; travel tour guide services, namely, conducting guided moped tours, and conducting guided climbing tours