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Bitcoin mining difficulty has hit the brakes in 2025. For the first time in the network’s history, difficulty is rising at a slow pace and is on track for its slowest annual difficulty growth rate ever recorded.
Signals Of Consolidation In The Bitcoin Mining Landscape
Bitcoin mining difficulty has risen by 0.5% since June 1st, signaling an extraordinary slowdown in network expansion. According to mining infrastructure firm Blockware’s post on X, the Year-to-Date mining difficulty is up only 16%, which is a stark contrast to prior post-halving years. “2025 is on pace to see the slowest growth in mining difficulty in BTC history,” Blockware added.
The mining growth will continue to slow down due to the following reasons: The mining Hardware is reaching the limits of Moore’s law. This is approaching the physical and economic limits of chip miniaturization, and making the new generation of miners only marginally more efficient.
The physical infrastructure and energy production are the bottlenecks for growth, which is about powering the scaling of mining and ordering machines. Lastly, the data center operators are diversifying into AI and high-performance computing (HPC).
However, this is bullish for BTC miners as it means less competition for the 450 BTC that are mined daily. As BTC trends steadily toward six figures, miners are positioned to arbitrage energy and compute, while producing BTC at a substantial discount to its market value.
Currently, a Bitmain S21 XP hosted at the Blockware mining site is producing 1 BTC for just $55,000 in electricity costs. This is a significant discount to the market price of BTC. The benefit of BTC mining is the ability to depreciate 100% of the hardware costs and create powerful tax offsets. When combined with Tax benefits and BTC accumulation, this is how generational wealth is created.
The Shift Toward Cleaner Energy And Sustainable Mining
SustainableBTC has also highlighted on X that in 2017, a Newsweek article warned that Bitcoin was on track to consume all of the world’s energy by 2020. Furthermore, in 2019, the academic paper reported that emissions from BTC mining alone would push global temperatures above 2°C.
Since then, there has been a widespread belief that BTC mining is harmful to the environment. However, in reality, BTC mining has the potential to be a powerful tool in the clean energy transition and a force for climate justice.
In the midst of this widespread view, SustainableBTC noted that awareness and advocacy alone are not enough to change deeply rooted perceptions about BTC mining and sustainability. To move the industry forward, there is a need for transparent, auditable data, market-based incentives that align with economic performance, and environmental responsibility.
