Bitmain announced that it will provide mining machine operation and maintenance services for the global mining market, and its service brand is “Hash Guard.” Bitmain stated that the move aims to provide the industry with high-quality, high-quality operation and maintenance services, and help the industry develop towards standardized and standardized operations. At the same time, the system development team of Hashpower developed a mine automatic management system named “AntSentryCloud” for mine customers. This management system includes two subsystems: AntSentry operation and maintenance management and Antbee virus detection. The AntSentry operation and maintenance management system supports both the web and mobile app ends, real-time monitoring of the status of mining machines and mining revenue, and also supports mobile phone nail receiver abnormal Alarm, Antbee virus detection system 24 hours anti-malicious virus. Hash Guard service will carry out a variety of cooperation methods, including directly contracting with mining machine customers, providing customers with exclusive operation and maintenance services, and directly contracting with the mine.