Bitcoin (BTC) mining has entered a pivotal phase in 2025, marked by shifting global算力 (hashrate) dynamics, evolving regulatory pressures, and increasing centralization risks. The United States continues to strengthen its position as a mining powerhouse, but new challenges—such as proposed tariffs on ASIC imports and rising competition from AI data centers—are reshaping the industry’s future. At the same time, concerns over network centralization have intensified following reports that Foundry USA controls over one-third of the total BTC算力.
This article explores the latest developments in BTC mining算力, analyzing how U.S. dominance, geopolitical trade policies, and efficiency-driven strategies are influencing profitability, global算力 distribution, and long-term network health.
U.S. Miners Reach Record算力 Share Amid Seasonal Challenges
Despite a 3% decline in Bitcoin’s monthly average算力 in June due to seasonal heatwaves affecting operations, U.S. miners have achieved a historic milestone. According to a JPMorgan report analyzed by on-chain expert @ki_young_ju, American-listed mining firms now control 31.5% of the global BTC network算力—the highest share ever recorded.
This growth reflects a broader trend of institutionalization in the mining sector. Over the past year, the combined算力 of U.S. miners has surged by 99%, far outpacing the network’s overall算力 increase of 55%. This aggressive expansion has translated into improved profitability, with daily block reward gross profits rising 13% month-over-month, reaching their highest level since January 2025.
Market performance mirrors this算力 dominance. The total market capitalization of 13 tracked U.S. mining companies increased by 23% last month. Notably, IREN led the pack with a +67% surge, while Bitfarms (BITF) underperformed with a -19% drop.
👉 Discover how leading miners are optimizing算力 for maximum returns
U.S. Tariffs on ASIC Imports: A Growing Cost Pressure
A major emerging challenge for U.S. miners is the potential imposition of tariffs on imported ASIC (Application-Specific Integrated Circuit) miners, particularly those sourced from Southeast Asia. Taras Kulyk, CEO of Synteq Digital, warns that proposed tariffs ranging from 10% to 50% could significantly raise hardware costs and slow down算力 expansion.
While the U.S. currently accounts for over 40% of global BTC算力, these tariffs threaten to stall that momentum. Higher equipment costs may deter new investments and limit the ability of existing operators to scale efficiently.
“Tariffs add another layer of cost pressure at a time when margins are already tight,” Kulyk explains. “We’re seeing miners look beyond traditional supply chains to adapt.”
Countries like Pakistan and Ethiopia are capitalizing on this uncertainty, expanding their own mining operations and attracting investment due to lower regulatory barriers and cheaper energy.
Miner Adaptation Strategies: Efficiency, Secondhand Markets & Local Production
Faced with rising costs and supply chain uncertainty, BTC miners are adopting innovative strategies to maintain profitability.
1. Secondary Market for Used ASICs
Luxor Technology’s Lauren Lin highlights that many operators are turning to the secondhand market to source affordable, high-performance miners. This approach allows smaller players to remain competitive without bearing the full brunt of tariff-inflated prices.
2. Efficiency Upgrades Over Raw算力 Expansion
Jeff LaBerge of Bitdeer emphasizes that focusing on energy efficiency and deploying next-generation ASICs is more sustainable than simply adding more machines. He estimates that the annual market opportunity for efficiency-driven upgrades stands between $40 billion and $60 billion.
“Profitability isn’t just about算力—it’s about cost per terahash,” LaBerge notes. “The most successful miners will be those who optimize operations, not just scale them.”
3. Domestic Manufacturing Initiatives
To circumvent tariffs, companies like MicroBT and Bitdeer are exploring or accelerating plans for local production in the U.S. However, industry sources report that building domestic fabrication facilities is both time-consuming and expensive, meaning this solution won’t provide immediate relief.
Competition from AI Data Centers: A Hidden Threat
Beyond tariffs, BTC miners face growing competition for critical infrastructure—particularly energy and computing resources—from artificial intelligence (AI) data centers.
As tech giants expand their AI operations, they’re consuming vast amounts of power and specialized hardware, driving up costs and reducing available capacity for mining operations in key U.S. regions.
Kulyk warns this could lead to miner consolidation, where only large, well-capitalized firms survive. Others may be forced to pivot toward hybrid models—repurposing mining rigs for AI computation during off-peak periods.
“This isn’t just a BTC issue,” he says. “It’s a broader battle for digital infrastructure.”
Network Centralization Risks: Foundry USA Controls 34.8% of算力
In early June 2025, analyst Mihir (@RhythmicAnalyst) raised alarms about BTC算力 concentration, revealing that Foundry USA alone controls 34.8% of the network’s total算力.
Such centralization poses potential risks to Bitcoin’s core principles of decentralization and censorship resistance:
- A single entity nearing the 50%算力 threshold could theoretically execute a 51% attack.
- Concentrated算力 may influence transaction confirmation times and fee markets.
- Geopolitical or regulatory actions targeting dominant pools could disrupt network stability.
While Foundry USA operates transparently and has not shown malicious intent, the lack of geographic and organizational diversity in算力 distribution remains a concern for long-term network resilience.
FAQ: Your Questions About BTC Mining算力 Answered
Q: Why is U.S.算力 share increasing despite environmental challenges?
A: Institutional investment, access to low-cost energy (especially stranded or flared gas), and supportive state-level policies have driven U.S.算力 growth—even during seasonal heatwaves that temporarily reduce efficiency.
Q: How do ASIC tariffs affect average BTC miners?
A: Higher tariffs increase upfront hardware costs, reducing profit margins—especially for small-to-mid-sized miners who can’t negotiate bulk discounts or access secondary markets easily.
Q: Can secondhand ASICs be profitable?
A: Yes—many used S19 and newer models still offer strong performance per watt. When sourced wisely, they can deliver solid returns, especially in regions with cheap electricity.
Q: Is算力 centralization a real threat to Bitcoin?
A: While concerning, current centralization is largely due to transparent, reputable pools like Foundry and F2Pool. True risk arises if a single entity gains majority control or if算力 becomes vulnerable to government intervention.
Q: Will AI competition push miners out of the U.S.?
A: Not entirely—but it may accelerate migration to regions with abundant energy surplus, such as Canada, Kazakhstan, or parts of Latin America.
Q: What’s the future of BTC mining profitability?
A: Post-halving dynamics favor efficient operators. Miners who prioritize low energy costs, advanced cooling, and high-hashrate-per-watt hardware will dominate the next cycle.
👉 See how top miners are staying ahead in the post-halving era
Conclusion: Navigating the New Era of BTC Mining
The BTC mining landscape in 2025 is defined by paradoxes: record算力 growth alongside rising cost pressures; increasing U.S. dominance amid growing global competition; and technological innovation shadowed by centralization risks.
Miners who succeed will be those who embrace adaptability—leveraging secondhand markets, investing in efficiency, and diversifying geographically. Regulatory clarity on tariffs and energy use will play a crucial role in shaping where算力 flows in the coming years.
As the network evolves, stakeholders—from investors to developers—must remain vigilant about算力 distribution to preserve Bitcoin’s decentralized ethos.