Riot Blockchain, Inc. focuses on building, supporting, and operating Blockchain technologies, primarily through its cryptocurrency mining operations and other internally developed businesses, as well as through potential joint ventures, acquisitions, and targeted investments in the sector. Its primary focus is on Bitcoin and general blockchain technology. 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.