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.
RealTract main objective is to create an improved version of Ethereum’s smartcontract- 2.0 SMARTCONTRACT : more functional, bridging blockchain and conventional technology to create true value. RealTract is a 4.0 BLOCKCHAIN with advanced technology that solves the issue of scalability and confirmation time of the existing blockchain technology