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Bitmain is a leading manufacturer of cryptocurrency mining hardware, with a focus on ASIC (application-specific integrated circuit) miners for Bitcoin and other cryptocurrencies. The company was founded in 2013 by Jihan Wu and Micree Zhan, both of whom had previous experience in the semiconductor industry.

Bitmain's first product was the Antminer S1, a Bitcoin ASIC miner that quickly became popular among early Bitcoin miners. Since then, the company has released several generations of Antminer miners, with each new model offering improved efficiency and hashrate.

In addition to producing ASIC miners, Bitmain also operates several mining pools, including Antpool and These pools allow miners to combine their computing power and share in the rewards of mining a block. Bitmain's mining pools are among the largest in the world, with a significant portion of the Bitcoin hashrate being generated by the company's miners.

One of Bitmain's most popular miners is the Antminer S19 Pro, which was released in 2020. This miner has a hashrate of 110 TH/s and power consumption of 3250W, making it one of the most efficient Bitcoin miners on the market. Other popular models include the Antminer S17 and the Antminer T19.

In addition to its mining hardware and pools, Bitmain has also developed software for managing and monitoring mining operations. This includes the Antminer Toolbox, which allows users to monitor the performance of their miners and adjust settings remotely, and the Antminer Monitoring Platform, which provides real-time monitoring and alerts for large-scale mining operations.

Despite its success, Bitmain has also faced criticism over the years, particularly for its dominance in the mining industry and its control over a significant portion of the Bitcoin hashrate. This has led to concerns over the centralization of mining power and the potential for 51% attacks.

Overall, Bitmain remains a major player in the cryptocurrency mining industry, with its ASIC miners and mining pools playing a significant role in the creation and maintenance of several major cryptocurrencies.