MARA Holdings, Inc. operates as a digital asset technology company that mines digital assets with a focus on the bitcoin ecosystem in United States. The company was formerly known as Marathon Digital Holdings, Inc. and changed its name to MARA Holdings, Inc. in August 2024. MARA Holdings, Inc. was incorporated in 2010 and is headquartered in Fort Lauderdale, Florida.

Bitfarms Ltd. engages in the mining of cryptocurrency coins and tokens in Canada, the United States, Paraguay, and Argentina. It owns and operates server farms that primarily validates transactions on the Bitcoin Blockchain and earning cryptocurrency from block rewards and transaction fees. The company also provides electrician services to commercial and residential customers in Quebec, Canada. It also undertakes hosting of third-party mining hardware. The company was formerly known as Bitfarms Technologies Ltd and changed its name to Bitfarms Ltd. in October 2018. The company was founded in 2017 and is based in Toronto, Canada.

Bit Digital, Inc., together with its subsidiaries, engages in the bitcoin mining business. It is also involved in the treasury management activities; and digital asset staking and digital asset mining businesses, as well as ethereum staking activities. In addition, it provides specialized cloud-infrastructure services for artificial intelligence applications. The company was formerly known as Golden Bull Limited and changed its name to Bit Digital, Inc. in September 2020. Bit Digital, Inc. was founded in 2015 and is headquartered in New York, New York.

HIVE Digital Technologies Ltd. engages in the mining and sale of digital currencies in Canada, Sweden, and Iceland. The company operates data centers for computing and mining cryptocurrencies, including Bitcoin and other coins. It also provides infrastructure solutions, as well as computational capacity to distributed networks in the blockchain industry. The company was formerly known as HIVE Blockchain Technologies Ltd. and changed its name to HIVE Digital Technologies Ltd. in July 2023. HIVE Digital Technologies Ltd. was incorporated in 1987 and is headquartered in Vancouver, Canada.

Abits Group Inc. operates in the bitcoin mining business in the United States. The company was formerly known as Moxian (BVI) Inc and changed its name to Abits Group Inc. in November 2023. Abits Group Inc. was incorporated in 2021 and is based in Causeway Bay, Hong Kong.

Metalpha Technology Holding Limited, together with its subsidiaries, provides wealth management services in Hong Kong. The company offers digital asset-based wealth management services, which include issuing traditional financial and cryptocurrency derivative products to over-the-counter clients, providing crypto derivative market making services, and proprietary trading of digital assets and crypto derivative products; and securities advising and asset management services. It serves institutional investors and high-net-worth individuals. The company was formerly known as Dragon Victory International Limited and changed its name to Metalpha Technology Holding Limited in November 2022. The company was incorporated in 2015 and is headquartered in Wan Chai, Hong Kong.

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.

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.