Babbitt reported that MinerSummit2019 officially opened in Chengdu today. Shao Jianliang, general manager of Jianan Zhizhi Blockchain, said in his speech that mining has the following advantages over direct purchase of Bitcoin: 1. Dual economic value of machine and coin; 2. More diversified operation mode (set Guarantee, cloud computing power, ABS, etc.); 3. Obtain bitcoin at cost price; 4. Resist anti-risk; 5. Clean bitcoin (clear source, no money laundering activities, etc.). In addition, he also stressed that mining is a process that contributes to the calculation of your ability to the network consensus, which is also the value of infrastructure; at the same time, mining can also enjoy rich returns and economic value.