TeraWulf Inc., together with its subsidiaries, operates as a digital asset technology company in the United States. The company develops, owns, and operates bitcoin mining facilities in New York and Pennsylvania. It is also involved in the provision of miner hosting services to third-party entities. The company was founded in 2021 and is headquartered in Easton, Maryland.

Cipher Mining Inc., together with its subsidiaries, engages in the development and operation of industrial scale bitcoin mining data centers in the United States. The company was incorporated in 2020 and is based in New York, New York. Cipher Mining Inc. operates as a subsidiary of Bitfury Holding B.V.

Mercurity Fintech Holding Inc. operates as a fintech company. The company offers business consultation services; distributed storage and computing services business includes cryptocurrency mining, which provides computing power to the mining pool; and cloud storage services for other decentralized platform operators. The company was formerly known as JMU Limited and changed its name to Mercurity Fintech Holding Inc. in April 2020. Mercurity Fintech Holding Inc. was incorporated in 2011 and is headquartered in New York, New York.

Stronghold Digital Mining, Inc., a crypto asset mining company, focuses on Bitcoin mining in the United States. It operates in two segments, Energy Operations and Cryptocurrency Operations. It also owns and operates coal refuse power generation facilities; and provides environmental remediation and reclamation services. The company was incorporated in 2021 and is headquartered in New York, New York.

BIT Mining Limited operates as a cryptocurrency mining company in the Mainland China, the United States, and Hong Kong. The company operates in two segments: Data Center and Cryptocurrency Mining. It operates a cryptocurrency mining data center in Ohio with power capacity of 82.5 megawatts; and purchases and deploys bitcoin mining machines. In addition, it engages in online gaming activities; and provision of technology services. The company was formerly known as 500.com Limited and changed its name to BIT Mining Limited in April 2021. BIT Mining Limited was founded in 2001 and is based in Akron, Ohio.

Argo Blockchain plc, together with its subsidiaries, engages in the bitcoin and other cryptocurrencies mining business worldwide. It engages in mining purpose-built computers for complex cryptographic algorithms. The company was formerly known as GoSun Blockchain Limited and changed its name to Argo Blockchain plc in December 2017. Argo Blockchain plc was incorporated in 2017 and is based in London, the United Kingdom.

BTC Digital Ltd. a crypto asset technology company engages in bitcoin mining business. It is also involved in mining machines resale and rental business. The company was formerly known as Meten Holding Group Ltd. and changed its name to BTC Digital Ltd. in August 2023. The company was founded in 2006 and is headquartered in Shenzhen, China.

Bit Origin Ltd, through its subsidiaries, engages in the cryptocurrency mining business in the United States. It is also involved in deploying blockchain technologies. The company was formerly known as China Xiangtai Food Co., Ltd. and changed its name to Bit Origin Ltd in April 2022. Bit Origin Ltd was incorporated in 2018 and is based in Singapore, Singapore.