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.
The CryptoWorld.Vip (CWV) public chain is the world's first integrated main chain based on the multi-chain mechanism. It is a blockchain 3.0 product. The CryptoWorld game is a blockchain world created on the CWV chain based on a 1:1 mapping to the real world. Buildings in the CryptoWorld [game] access different chains and blockchain services based on their functions.