With Elastic, instead of specific use cases, a use case has to be coded by the user of the system in Elastic’s own programming language - Elastic PL.
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.