Bitcoin Mining Faces Record Downturn as AI Takes Power
An Unprecedented Streak in Mining Difficulty
BitcoinBTC-0.25%'s underlying mining network is showing unusual signs of weakness. Even though the overall network remains highly valuable, its mining difficulty metric has been struggling for a record stretch of time.
On-chain data shows that Bitcoin mining difficulty reached an all-time high of nearly 156 trillion on October 29, 2025. Today, that figure stands at just over 148 trillion. That is roughly 5% below its peak, and miners have not been able to break that record since.
This current stretch without a new difficulty high has now become the longest in Bitcoin's history. It officially surpassed the previous record of 364 days, which took place between August 2011 and July 2012.
During that 2011-2012 period, Bitcoin's price collapsed by roughly 94% to 95%. Another major difficulty slowdown happened in 2021 following China's sweeping ban on domestic crypto mining, which forced a huge portion of global hash rate to relocate.
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Why This Downturn Is Different: Structural Factors
Unlike past slumps caused by massive price crashes or regulatory bans, this current slowdown is happening without a sudden external crisis.
Saifedean Ammous, author of The Bitcoin Standard, explained that this trend stems from structural mechanics built directly into the protocol.
The primary factor is Bitcoin's pre-programmed halving schedule. Every four years, the block subsidy rewarded to miners drops by 50%. For mining to remain economically attractive, the asset's price must rise fast enough to offset that reduction.
Under Ammous's theoretical model, mining economics require Bitcoin's price to appreciate by nearly 19% annually over four-year cycles. This estimate assumes stable baseline costs before accounting for inflation or alternative investment opportunities. However, if market demand slows or operational expenses rise, miner profitability can contract rapidly.
The AI Boom Offers a More Lucrative Alternative
Miners no longer hold exclusive access to cheap energy and specialized data center infrastructure. Artificial intelligence companies are now competing aggressively for those exact same resources.
This intense competition gives facility owners a potentially more profitable alternative than traditional Bitcoin mining.
Core Scientific provides a clear example of this shifting industry landscape:
- The firm plans to fully exit Bitcoin mining by the end of the year.
- It aims to transition into a dedicated AI and high-performance computing provider by 2027.
- It has already cut its active mining fleet by almost half to redirect power toward enterprise client hosting.
- The move yielded noticeable financial results: third-quarter colocation revenue jumped 58% quarter-over-quarter to $215.4 million, up from $15 million a year earlier.
Could This Shift Actually Benefit Bitcoin?
Although a mining slowdown might sound concerning on the surface, Ammous suggested it might not be a negative signal for Bitcoin as an asset.
If running physical hardware becomes less attractive than holding the underlying asset, capital that once went toward mining gear and electric bills could flow directly into spot Bitcoin purchases.
Additionally, a reduction in total mining electricity usage could ease long-standing environmental concerns regarding the network's power consumption.
