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.
Kleros is a blockchain Dispute Resolution Layer that provides fast, secure and affordable arbitration for virtually everything. Kleros uses blockchain and crowdsourced specialists to adjudicate disputes in a fast, secure and affordable way. Kleros connects users who need to solve disputes with jurors who have the right skills to solve them. Crowdsourcing taps into a global pool of jurors. Blockchain technology guarantees evidence integrity, transparency in jury selection and incentives for honest rulings