At the Bit Fawn 2019 Eco-Conference held on May 29th, three guests expressed their opinions on what the hardware or technology of the industry is developing rapidly in the “Mine 2.0 era”. Liang Baoqing, CTO of Bitcoin's data center business, believes that it is safe. It can prevent the power of being stolen and infected by viruses, and maximize the benefits. BITCOIN.COM China's representative Su Shi believes that LOT brings intelligence, which replaces labor to improve production efficiency. BTC.COM CEO Zhuangzhong believes that the trend of mining specialization requires mine operation and maintenance and network operation and maintenance to go to fine management, and ultimately improve industry efficiency.