One of the main features of Greencoin is the use of Blockchain technology and smart contracts, what will make the platform transparent, open and as safe as possible for both transaction parties, reduction of transaction costs and business costs, and simplification of the purchase process. Greencoin a platform created for buyers, green systems manufacturesrs and systems installers all over the world, with an easy to use online store interface, 10 Greencoin integrates all the necessary tools for starting the expansion and promoting the products to other countries’ markets. Transparency of information makes it possible with modern e-commerce form, where each manufacturer will have a personal page with Greencoin-certified products available for purchase, and buyers will be able to make purchases from their laptops or mobile phones. All transactions will be processed with smart contracts. Decentralization, globalization and the opportunities presented by the use of cryptocurrency in the project are our competitive advantages over other business solutions existing in the industry today.