Texas-headquartered Cipher Mining has revised a bitcoin miner purchase option with Bitmain, opting for more efficient rigs at a higher price while extending the option’s deadline by six months. Previously, Cipher signed a preorder with Bitmain in December for 7.1 EH/s of Antminer T21s at $14/TH/s, with an option to purchase an additional 8.7 EH/s […]
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