Nowadays, it may be stated that blockchain is a universal technological solution that may be applied to any digital asset. Integration of blockchain technology in business processes allows decentralizing control, implementing safe transaction on the web, fully transforming document circulation into electronic format and automating numerous processes in any sphere of human life. An informative report has been drawn up in order to consider opportunities of using blockchain technology in the public sector and the related legal issues, and to decide on further measures for its promotion in Latvia. The paper presents a blockchain-based model that may be used to promote development of this technology in Latvia and substantiate suggestions for transformation and improvement of data processing on professional development of natural persons.