Bitcoin mining and data center hosting company Riot Blockchain (NASDAQ:RIOT) said it produced 355 bitcoin in September, ~13% down Y/Y. The company sold 300 bitcoin during the month, generating net proceeds of ~$6.1M. As of Sep. 30, Riot held ~6,775 bitcoin, all produced by the company's self-mining operations. The company had deployed a fleet of 55,728 miners as of Sep. 30, with a hash rate capacity of 5.6 EH/s. Source: Press Release