Riot Blockchain, a Nasdaq-listed mining company, announced that it will purchase another 5,100 Antminer S19 Pro from Bitmain at a price of US$11.2 million, and plans to start receiving and deploying it in February 2021. In addition to the 8,000 Antminer S19 Pro announced last week, Riot Blockchain will receive a total of 13,100 miners in the first half of 2021. After fully deploying its 20,140 next-generation mining machines, Riot predicts that its total operating hash rate capacity will reach 2.007 EH/s. In addition, Riot expects the company to achieve positive cash flow by the end of this year. Chain News previously reported that last week, Riot Blockchain announced that it will purchase 8,000 Antminer S19 Pro from Bitmain starting in January 2021. The delivery and deployment time of the mining machine will start from January 2021 until April 2021. , Delivering 2000 sets of S19 Pro monthly. Riot’s second quarter financial performance report shows that Riot’s Bitcoin mining capacity increased by 129% compared to the first quarter. In the first six months of this year, cryptocurrency mining revenue increased to 4.3 million U.S. dollars, a sharp increase from 3.8 million U.S. dollars in the same period last year. The profit margin of mining revenue also increased from 20.5% in the same period last year to 33.5%.