41 Arranging and conducting of conferences, congresses, seminars, symposiums and training workshops, including online; arranging, organizing, hosting and conducting events and competitions for education or entertainment purposes; audio, video and multimedia program production services; publication of multimedia material on-line; publication of educational materials; developing, arranging, and conducting educational and business conferences; educational services, namely, developing, arranging and conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of blockchains and distributed computing platforms, and distribution of training material in connection therewith.