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.
Nasdacoin is an encrypted and decentralized Virtual Currency, open source, point-to-point, developed with the scrypt algorithm in the POW/POS Hybrid format that allows people with an entrepreneurial and passionate profile about the financial and technology market to store and invest their wealth in a safe currency not controlled by the government and even gain a substantial investment interest.