Bitmain, a supplier of Bitcoin miners, has announced the release of its new Antminer T21. The miner has a computing power of 190 TH/s and an energy efficiency ratio of 19 J/TH. Bitmain also offers a price protection plan for buyers, which protects against fluctuations in cryptocurrency prices. The plan allows customers to be compensated in cash if the price of Bitcoin falls below a certain level during the protected period. The Antminer T21 is part of a range of mining devices produced by Bitmain and other companies. Shipping of the new miner is expected to start in January 2024.

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