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.
CRYPTO20 is an autonomous crypto-only index fund that tracks the top 20 cryptocurrencies in the same way the S&P500 tracks the top 500 US company stocks. C20 is the fund’s token, and represents an investor’s share in the fund. Token-holders are able to liquidate the C20 token for their share of the underlying assets via the smart contract.