Through the Proof of Impact, Poi certifies and values positive behaviors. By making it interoperable, our protocol connects with community & apps of any type to measure the impact of daily life acts, like consumption, and qualifies them through criteria defined by experts in sustainable development goals (locality, ethics, inclusion, …). Our 1st product is an impact payment & reward mobile app that allows users to track, understand and be rewarded in community currency for the positive impact of their consumption. These currencies can then be used to pay merchants around them or support local projects to revitalize territories. Organizations of any kind (companies, local authorities, …) can create community currencies thanks to the POI Token, the 1st impact cryptocurrency, that also allows them to access certified impact data and redistribute the value of these data to the actors that contributed to create it.