A blockchain-based, anonymised customer-company review system operated via the Rateonium platform. Rateonium is using blockchain technology to create new horizons for the management of customer-company relationships. The platform connects products and services purchased with a subsequent customer review process. Customer reviews of products and services are responsible for the long-term success of a company. New leads rely on customer opinions, not on corporate communication. Too few customers write qualitative reviews, which means that there is no suitable data on which new leads may base their decision. In addition, there is no globally active verification system to prove the authenticity of customer ratings. Rateonium collects qualitative and individual consumer data for companies, while the respective consumer is rewarded at the same time with the Rateonium currency by means of an automated algorithm. Rateonium offers its users a modern purchase experience with an app powered by metadata – free from manipulation and data misuse. We support our Rateonium business clients by implementing modern, long-term quality and customer relationship management processes in the platform.