The DARS business empire has a decentralized nature and can provide incomparable reward settings in traditional games. Traditional games have problems such as opaque game mechanics and data, disordered economic systems, players' inability to own assets, and inability to transfer game assets across platforms. The decentralization, openness and transparency of the blockchain can be used to improve the existing problems in the industry. Smart contract games running on the Ethereum public chain, anyone can view the various data on the blockchain and initiate transactions, open source code, decentralized management, fair and transparent. Compared with traditional games, the application of blockchain smart contracts in games has unparalleled advantages.