Block chain data is open to everyone, anyone can query block chain data and develop related applications through open interfaces, so the information of the whole trading system is highly transparent. Point-to-point de-centralization allows consumers to buy games and equipment through digital money, making cross-border consumption and game equipment transactions possible.Based on the transparent and unchangeable characteristics of block chain data. Every player can see the rules of the game. The developer can only make rules, and can operate and interfere with them when they are on the chain. The Fairness and Justice of Game is Realized.In the traditional mode, once the central node has problems (such as information leakage, etc.). It will bring great threat to the whole system. The security brought by the decentralization of block chain technology is inherently to solve this problem. Single-point communication between nodes, even if a node crashes, will not affect the security of the whole system, and the information of each node in the platform will be kept secret.