This textbook is devoted to the thematic horizon of digital legal onto-engineering, digitalization and “ontiphra” in law, in legal design, norm-setting, evaluative, critical-analytical activities, in public administration . The concept and ontology of digital rights, concepts and technologies of machine-readable and machine-executable law, digital twin models, virtual and augmented space are explained . Co-authors and . In. Ponkin and A. and . Lapteva (Redkina), except Introduction, Chapters 4 and 7 by I. In. Ponkina . For master's degrees 38. 04. 04 "Public and municipal administration" and 40. 04. 01 "Jurisprudence", students of the Master of Public Administration . The publication will also be useful for the heads and staff of the legislative and executive authorities ,. managers and staff of scientific and analytical organizations , Scientific workers and teaching staff of educational organizations , Post-graduate and post-doctoral students , As well as ,. who is interested in this thematic horizon.