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A solo Bitcoin miner successfully mined a block using a compact Bitaxe device worth about $150, earning a reward of 3.1382 BTC (roughly $200,000). The case highlights that even low-powered hardware can occasionally produce a lottery-like payout.
According to analysts, the miner operated the Bitaxe device for only about eight hours. Its hash rate averaged roughly 995 GH/s (about 1 TH/s), thousands of times lower than the output of industrial-scale mining machines.
This marks the second time a solo miner using a Bitaxe device has successfully mined a block through Public Pool.
The Bitaxe Gamma model delivers between 1 and 1.3 TH/s while consuming just 15–21 watts of power. Depending on the version, the device typically costs between $60 and $150.
Experts compare such wins to winning the lottery, as the probability of mining a Bitcoin block independently with that level of computing power is extremely low.
Meanwhile, large mining companies continue to face pressure from declining mining profitability. Many are reallocating part of their infrastructure to support AI data centers.
On July 12, Bitcoin mining difficulty fell by about 5% to 127.17 trillion. In mid-June, the metric had declined by more than 10% before partially recovering.
At the same time, some major miners continue expanding their infrastructure. MARA Holdings, for example, announced the acquisition of a 1,200-acre site in Texas with up to 2 gigawatts (GW) of potential power capacity to support both AI infrastructure and Bitcoin mining. Once completed, the project could increase the company's total available capacity to approximately 4.8 GW, while MARA shares gained about 15% following the announcement.
Earlier, mining company TeraWulf announced a 20-year agreement with Anthropic to host AI infrastructure at a new data center in Kentucky. The company expects the contract to generate about $19 billion in revenue while gradually reducing its dependence on Bitcoin mining.