DxChain is the world’s first decentralized big data and machine learning network powered by a computing-centric blockchain. In other words, DxChain is a public chain, aims to design a platform to solve computation of big data in a decentralized environment. For simplicity, we could use DxChain to store and trade big data, so as to make data more valuable with the computation.
Bitcoin Confidential is a new coin focused on confidentiality/privacy that will be Proof of Stake, using Ring Confidential Signatures and based on the latest Bitcoin codebase for compatibility.