At the World Digital Mining Summit in Las Vegas, Bitmain, a leading manufacturer of application-specific integrated circuit (ASIC) bitcoin mining rigs, introduced two new mining machines. Both models—one air-cooled and one hydro-cooled—boast an efficiency rating of under 14 joules per terahash. Bitmain Introduces S21 XP and S21 XP Hydro Bitmain’s new Antminer S21 series mining […]