UNO is a fair launch, low inflation, high-hash rate, rare issue cryptocurrency since 2013. Sha256, merge mined with Btc, high hash, 3 minute blocks.
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.