Management and compilation of computerized databases; blockchain-based computerized data management in the fields of digital contents; computerized file management; business management and administration in the fields of social networking websites; commercial intermediation services

Digital watermarking services; programming of software for internet platforms; creation, design and maintenance of websites; creation, design and maintenance of social networking websites; issuance of electronic certificates for others; issuance, distribution and management of digital certificates for others; development updating and maintenance of software and database systems; platform as a service; software as a service; electronic storage services for archiving databases; providing online non-downloadable software for use in issuance and management of electronic signatures; user identification of certification services via internet provided by means of issuing electronic signatures; electronic signature verification and authentication services; user authentication services via online by means of allotting IDs which are linked with information of creators and their works and pieces; providing online non-downloadable software for use in issuing IDs which are linked with information of creators and their works and pieces; computerized electronic data storage and electronic data management

Providing information relating to copyright licensing; copyright management; management of copyrights in the field of digital contents by utilizing blockchain technology; management of copyrights by means of allotting IDs which are linked with information of creators and their works and pieces; agencies for copyright licensing; online social networking services; managing and administrating social networking websites for providing places and spaces where users can communicate with other users in the internet