INTRO is a Business Intelligence system for the contributors of off-plan growth – builders, buyers, homebuyers, banks and different brokers. INTRO IT merchandise present entry to superior market analytics for business professionals in addition to for personal homebuyers. The register of below development objects and buyers’ contracts are saved within the blockchain, which in flip receives knowledge from official state sources. This permits for efficient market evaluation with out violating the proprietors' rights to non-public knowledge safety. INTRO system customers will have the ability to discover probably the most enticing off-plan properties in dozens of nations and spend money on the continuing development below good contracts. The blockchain ensures reliability of the details about the constructing plan and transaction safety, whereas avoiding prices of intermediation by actual property brokers, attorneys or profiteers.