Uprightly is a decentralized reputation management protocol that solves the problems of trust and reputation in marketplaces. It empowers users to make smart decisions and encourages users to cooperate with one another. Uprightly is independent of any other platform, so users’ Uprightly reputation can follow them everywhere, online AND offline. It makes use of the Ethereum blockchain to assure fair play and avoid censorship and manipulation. The Uprightly protocol includes economic theory to incentivize users to cooperate. Uprightly also includes a world-class user interface application that allows users to see the reputation of users and create reviews for users. It can be integrated in to all sorts of third-party applications via a robust API, as well.