Bitcoin 2 is a scalable Bitcoin fork that supports private transactions through the Zerocoin protocol and nearly instantly verified payments by Masternodes. Bitcoin 2 uses a Proof of Stake system that allows anyone even running a basic laptop to get block rewards while contributing to running the blockchain.
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.