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.
S4FE is a freely accessible, blockchain based search engine dedicated to the protection of property. It provides a global network for the registration of items and the recovery of lost or stolen property.