On Wednesday, the bitcoin mining rig manufacturer Bitmain announced the introduction of a new air-cooled BTC miner, the T21 Antminer. The new device boasts a production capacity of up to 190 terahash per second (TH/s) and maintains an efficiency ratio of approximately 19 joules per terahash (J/T). Bitmain Debuts T21 Antminer After the recent unveiling […]