As Bitcoin trades at approximately $107,911 in mid-October 2025, with the network hashrate at around 1,096 EH/s, mining continues to offer strong potential for those equipped with efficient setups. We’ve tested top providers using the same model—the Antminer S21+ (235 TH/s, 3.564 kW)—across all their locations in live environments to gauge uptime, costs, and yields....