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Antminer is a brand of application-specific integrated circuit (ASIC) mining hardware developed by Bitmain Technologies Ltd., a Beijing-based company founded in 2013 by Micree Zhan and Jihan Wu. Bitmain became the world's largest designer of bitcoin mining chips by 2018, though it has faced increased competition and a shifting market landscape in recent years. The company's product line has evolved from the early Antminer S1 to the high-efficiency Antminer S21 series, which supports SHA-256 algorithm mining for cryptocurrencies like Bitcoin.
Bitmain was founded in 2013 and rose to become a dominant supplier of bitcoin mining hardware, at times providing approximately three-quarters of the global market's machines.
The Antminer S21 series, introduced in 2023, represents the company's focus on improving energy efficiency for SHA-256 mining operations.
Bitmain underwent a significant corporate restructuring in 2021 following a governance dispute between co-founders Micree Zhan and Jihan Wu, resulting in the separation of the BTC.com mining pool and the Bitdeer cloud mining service.
The company has pursued multiple attempts to go public, including a 2018 filing in Hong Kong that ultimately lapsed, and subsequent reports of US-based IPO efforts.
In 2026, Bitmain entered a commercial partnership with American Bitcoin, a venture founded by Eric and Donald Trump Jr., to provide hardware and hosting capacity.
An Antminer is a series of ASIC (application-specific integrated circuit) mining machines developed by Bitmain specifically for mining cryptocurrencies that use the SHA-256 algorithm, such as Bitcoin.
Bitmain was founded in 2013 by Micree Zhan and Jihan Wu.
No, Bitmain's 2018 application for an initial public offering in Hong Kong lapsed in 2019, though reports have indicated subsequent efforts to go public in the United States.
The Antminer S21 is a series of air-cooled and hydro-cooled ASIC miners announced in 2023 that offers improved energy efficiency compared to previous generations of Bitmain hardware.
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