GAUS is a blockchain platform for purchases of goods using cryptocurrency, guaranteeing payment transaction security up to the receipt of the ordered goods. The first focus area of the project is the development of a blockchain platform for vehicle purchases and the use of a variety of related services. The GAUS platform makes a vehicle purchase or a service payment possible at a significantly lower price compared to existing prices, guarantees transaction security for full or partial payments, as well as the timely and quality level delivery of the purchased goods and services. In turn, the manufacturer or service provider, receives a new potential client pool and a guarantee of timely payments. By using standardized smart contracts, GAUS provides a convenient and secure invoicing mechanism.