Delphy is a mobile platform for prediction markets built on Ethereum as a DApp. In fact, it is a light Ethereum client running on mobile devices. Its born decentralization ensures that prediction markets are hard to manipulate or shut down, and there is no need to trust one single entity.
Medishares is a Ethereum based, decentralized, open-source mutual aid marketplace. Anyone can join a mutual aid scheme through sending variable amount of MDS to a smart contract.. Anyone can become a mutual aid insurer based on the smart contract templates provided by MediShares, and can profit from it.