Riot Blockchain, Inc., together with its subsidiaries, focuses on building, supporting, and operating Blockchain technologies ecosystem. It is involved in digital currency mining operation, which utilizes specialized computers that generate digital currency primarily bitcoin. The company also holds interests in various activities, including purchasing and selling digital currencies; provides accounting, audit, and verification services for blockchain based assets, such as cryptocurrencies; and develops TessPay, a payments ecosystem for component and sub-component supply chain settlement solution, as well as other blockchain solutions for telecommunications companies. As of December 31, 2019, approximately 7,400 of the miners were installed and operating. The company was formerly known as Bioptix, Inc. and changed its name to Riot Blockchain, Inc. in October 2017. Riot Blockchain, Inc. was founded in 2000 and is based in Castle Rock, Colorado.