TokenInsight released the 2019 Q3 mining industry quarterly report. The report shows that: 1. Bitcoin's entire network computing power and difficulty increased significantly in the third quarter, peaking at 109 ET / s and 12.76T, respectively, which are the highest levels in history ( (As of the third quarter of 2019). 2. Affected by the halving in the second quarter of 2020 and the instability of the currency price, the profitability of 16nm mining machines including Ant S9 series mining machines will be greatly affected. 3. Among all miners, Antminer S17 + has the lowest computing power consumption ratio (39.5J / T). With the increase of computing power, low-power mining machines will gradually establish advantages in the competition. 4. The miner with the shortest return cycle is Antminer T17 +. It takes 230 days to return the cost. The miner with the longest return period is Whatsminer M20S- ~ 45T. The return time takes 668 days. 5. TokenInsight launched a dynamic revenue calculation model based on the currency price and difficulty increase based on the static revenue calculation in the previous quarter. In this model, all mining machines can recover the cost. 6. The cloud computing power products in the Renren mine platform with a lock-up period of 6 months have the lowest unit computing power mining cost, and the daily mining cost per unit computing power is $ 0.0973. 7. The listing of Jianan Yunzhi means With the increasing acceptance of blockchain technology and Bitcoin by mainstream financial markets, the mining industry has also entered a new era.