The core activities of Orell Füssli encompass three main areas: 1. **Security**: Printing of banknotes, serialization and production of identity documents as well as their digital counterparts. 2. **Education**: Publishing and distribution of educational media, children's books and other educational materials. 3. **Digital Credentials**: Development and provision of digital solutions for verification and management of identities and documents. These three areas form the core activities of Orell Füssli.