Influence of blockchain on development of interaction system of investment and construction activity participants

The main principles of blockchain operation and its main advantages of efficiency increase of investment and construction activity (ICA) participants' interaction are described in this article. Blockchain process operation principles in a technical sense are stated. Practical examples of efficiency increase of ICA participants' interaction with the use of blockchain process in Russia and abroad are given. The main trends and results of blockchain use in construction domain are systematised. Potential of blockchain process use in development of the system of ICA participants' interaction is described. Specific features and advantages of blockchain use in construction domain are highlighted. The main problems requiring improvement of normative and methodical base while developing blockchain within ICA participants' interaction are analysed. The article gives a review of blockchain influence on improvement of the process of ICA participants' interaction.