Gastery are the eWaiter v2.0, next evolutionary stage growth of the project. New conception, updated strategy and aspiration objectives. Gastery are a food-tech business designed to automate interaction of restaurants and their visitors. Platform is founded on the geolocation, blockchain technology & smart agreements, and make use of of QR codes. The benefits of this task for the HoReCa industry is to boost quality and rate of service along with to raise earnings of catering places.