Solo bitcoin miner makes $200,000 using $150 equipment Solo Bitcoin mining has surged, with 24 blocks found in the past 12 months, a 41% increase year over year. - A solo miner using a low-power, credit-card-sized Bitaxe device unexpectedly mined Bitcoin block 957,382, earning 3.1382 BTC worth about $200,000 despite odds estimated at once in 18,000 years. - The Bitaxe, an open-source ASIC miner us...