Bitcoin mining difficulty has fallen 20% from its November 2025 peak, the steepest decline since China's 2021 mining ban. Network hashrate dropped from a record above 1,000 EH/s to approximately 908 EH/s by mid-July 2026, while hashprice — miner revenue per petahash per day — hit a five-year low ...
"We're not a Bitcoin miner anymore. We're an energy infrastructure company that also mines Bitcoin." — Jason Les, CEO, Riot Platforms (Q1 2026 Earnings Call)
Bitcoin mining difficulty has fallen 20% from its November 2025 peak, the steepest decline since China's 2021 mining ban. Network hashrate dropped from a record above 1,000 EH/s to approximately 908 EH/s by mid-July 2026, while hashprice — miner revenue per petahash per day — hit a five-year low of $27.20 in early June before recovering to $31.10. JPMorgan estimates Bitcoin has traded below its $78,000 all-in production cost for five consecutive months. CoinShares reports 15-20% of the global mining fleet is now unprofitable.
The response from publicly listed miners has been uniform: sell Bitcoin, buy GPUs. Public miners liquidated more than 32,000 BTC in Q1 2026 alone, exceeding total sales for all of 2025. The proceeds are funding a pivot into AI and high-performance computing (HPC) infrastructure, with over $70 billion in long-term lease contracts signed across the sector. Mining equities have outperformed Bitcoin by roughly 70 percentage points year-to-date, a divergence that signals the market is repricing these companies as data center operators, not commodity miners.
The April 2024 halving cut Bitcoin's block reward from 6.25 BTC to 3.125 BTC. Two years later, the full economic impact has arrived.
According to CoinShares' Q1 2026 Bitcoin Mining Report, the weighted average cash cost to produce one bitcoin among publicly listed miners reached approximately $79,995 in Q4 2025. With Bitcoin trading near $63,970 in July 2026, that gap represents a 19% shortfall below production cost — a margin compression that historically precedes miner capitulation events.
Hashprice, the industry's standard revenue metric, tells the story in a single number. It dropped from $36-$38 per PH/s/day in Q4 2025 to $29 in Q1 2026, then to a 2026 low of $27.20 in early June. The July 11 reading of $31.10 represents a 12.5% recovery from that floor, but remains 37.2% below the October 2025 peak. At current levels, miners running mid-generation hardware (above 25 J/TH) need access to sub-$0.05/kWh power to remain cash-profitable, according to CoinShares. That threshold excludes most operators outside of a handful of jurisdictions with stranded or subsidized energy.
CleanSpark's Q2 2026 revenue of $136 million fell 25% sequentially from Q1, driven primarily by a 24% drop in the average Bitcoin price during the quarter, which CoinShares pegged at approximately $76,000. The pattern repeats across the sector: revenue declining while hashrate-driven costs remain stubbornly high.
Galaxy Research confirmed on June 21, 2026, that Bitcoin miners had entered a capitulation phase, with mining difficulty dropping more than 20% from its all-time high. The data supports the characterization:
Galaxy Research described this as the largest peak-to-trough decline in mining difficulty since China's 2021 mining ban, which wiped approximately 50% of the network's hashrate in a matter of weeks. The current decline differs mechanistically: rather than a single regulatory shock, this capitulation is occurring through sustained margin pressure, as CoinShares described it, "crushing operators one electricity bill at a time."
Network hashrate reflects the exodus. After crossing 1 ZettaHash (1,000 EH/s) for the first time in late 2025, the network shed roughly 23% of its computing power by July 2026. Hashrate fell 7.9% in the ten days preceding the July 11 adjustment alone, landing at approximately 908 EH/s. The Puell Multiple, which compares daily miner revenue to its 365-day average, dropped to 0.74 — meaning miners are earning roughly a quarter less than their trailing annual norm.
Publicly traded miners responded by liquidating reserves. According to CoinDesk reporting, public miners sold more than 32,000 BTC in Q1 2026, a single-quarter record that exceeded their combined sales for all of 2025. The selling was not a panic response but a deliberate capital reallocation strategy: the proceeds funded GPU purchases, data center construction, and AI infrastructure buildouts.
The Bitcoin mining industry's pivot to AI infrastructure has moved from strategic exploration to committed execution. More than $70 billion in AI and HPC contracts have been signed by publicly listed miners, according to a review of public filings and company disclosures. The scale of individual deals is notable:
| Company | Contract Value | Counterparty/Asset | Duration | |---------|---------------|-------------------|----------| | TeraWulf | ~$19 billion | Anthropic (Justified Data campus, Hawesville, KY) | 20 years | | Hut 8 | $9.8 billion | Beacon Point campus, Nueces County, TX | 15 years | | Hut 8 | $7 billion | River Bend campus | 15 years | | Core Scientific | $10.2 billion | CoreWeave (expanded deal) | 12 years |
These are not speculative revenue projections. They are contracted lease agreements with creditworthy counterparties, structured to generate fixed revenue streams over decade-plus time horizons. TeraWulf's $19 billion deal with Anthropic alone exceeds the company's current market capitalization by a wide margin, explaining the stock's 85% year-to-date appreciation.
The economic logic is straightforward. A megawatt of power dedicated to Bitcoin mining at current hashprice yields approximately $29 per PH/s/day in variable, commodity-linked revenue. The same megawatt leased to a hyperscaler for AI training generates fixed, contracted revenue at materially higher margins over 10-20 year terms. For operators with existing power purchase agreements, land, and grid interconnects, the opportunity cost of continuing to mine has become untenable.
Riot Platforms reported Q1 2026 revenue of $167.2 million, with its data center segment contributing $33.2 million — roughly 20% of total revenue from a business line that did not exist 18 months earlier. CEO Jason Les described the quarter as an "inflection point." HIVE Digital reported a 219% year-over-year jump in quarterly revenue, driven by AI and HPC expansion, alongside a $30 million contract to deploy Nvidia GPUs for enterprise AI cloud customers. According to CoinTelegraph reporting, some miners could derive up to 70% of their revenue from AI by year-end 2026.
The market has repriced mining equities accordingly. A tracked basket of crypto mining equities is up 56% year-to-date, while Bitcoin itself has fallen approximately 17% — a 73 percentage-point divergence. All ten of the largest publicly traded mining stocks are positive for 2026:
| Company | YTD Performance | |---------|----------------| | TeraWulf | +85% | | Hut 8 | +67% | | Riot Platforms | +46% | | Core Scientific | +40% | | Applied Digital | +37% |
The outperformance is not driven by improving mining economics. It is driven by the market's assessment that these companies are transitioning from cyclical commodity miners into steady-state infrastructure operators. The AI data center business carries fundamentally different valuation metrics: contracted revenue, long duration, and high capital intensity — characteristics more comparable to REIT or utility multiples than to mining economics.
This divergence raises a question about what investors are actually buying. At current valuations, the market appears to be pricing mining equities as AI infrastructure plays with a Bitcoin mining option attached, rather than the reverse.
The current environment functions as a Darwinian filter. According to CoinShares, miners running hardware above approximately 25 J/TH found themselves operating at a loss in most electricity markets after the halving. At a hashprice of approximately $29/PH/s/day (the July 2026 level), profitability thresholds are:
Industrial miners with sub-$0.05/kWh power and latest-generation ASICs (sub-15 J/TH) retain meaningful margins. Everyone else faces a binary choice: upgrade hardware, pivot to AI, or shut down. The 15-20% of the global fleet currently operating at a loss, according to CoinShares, represents the segment facing that decision.
The production cost data reinforces this. According to JPMorgan, industrial miners spend $32,000 to $55,000 in hosting and power costs to produce one Bitcoin. One Bitcoin now requires 854,400 kilowatt-hours of electricity, equivalent to 81.37 years of average U.S. residential energy consumption, according to CompareForexBrokers research. At current prices, only the lowest-cost producers retain positive cash flow.
The 23% decline in hashrate from the October 2025 peak raises a question about Bitcoin's network security. A lower hashrate means a lower cost to execute a 51% attack, at least in theory. In practice, the network remains protected by its massive absolute scale: 908 EH/s still represents an unprecedented amount of computing power, and the difficulty adjustment mechanism ensures block production stabilizes within approximately two weeks of any hashrate shift.
The more nuanced risk is concentration. As marginal miners exit and large operators consolidate, the network's hashrate becomes distributed among fewer entities. If the AI pivot continues, it also creates a structural question: what happens when mining becomes a side business for companies whose primary revenue comes from AI? The incentive alignment that underpins Bitcoin's security model assumes miners are economically motivated to maintain the network. When mining revenue drops below 30% of a company's total, that assumption warrants scrutiny.
The Bitcoin mining industry is undergoing its most significant structural transformation since the 2021 China ban. But while the 2021 event was a geographic redistribution — hashrate moved from China to North America, Kazakhstan, and elsewhere — the current shift is a functional one. Companies that were built to convert electricity into Bitcoin are rebuilding themselves to convert electricity into AI compute.
The economics are unambiguous. At $31.10/PH/s/day hashprice and $63,970 BTC, pure-play mining is a margin-negative activity for a material portion of the global fleet. The $70 billion-plus in contracted AI lease revenue represents a fundamentally different business model: fixed, long-duration, counterparty-backed income versus volatile, commodity-linked mining revenue.
Whether this is a temporary trough or a permanent structural change depends on Bitcoin's price trajectory. A recovery above $78,000 would bring the majority of the fleet back into profitability and slow the AI migration. But the contracts already signed are irreversible: TeraWulf's 20-year Anthropic lease, Hut 8's 15-year campus deals, and Core Scientific's 12-year CoreWeave agreement will define these companies' revenue profiles for the next decade regardless of Bitcoin's price. The mining industry's identity crisis is, in practical terms, already resolved. The market has simply priced it in before the companies have finished the transition.