hodler

8 Apr 2026, 06:00

Bitcoin Hashrate Remains Concentrated As US, Russia, And China Hold 65% Share

A new report has revealed how the Bitcoin mining power has remained concentrated recently, with the top three nations controlling a 65% share. US Continues Leading In Bitcoin Hashrate With 37.4% Share In a new report , Hashrate Index has talked about how the global geographical heatmap of the Bitcoin Hashrate has changed compared to the last quarter. The “ Hashrate ” here refers to an indicator that measures the total amount of computing power that miners have attached to the BTC network. It’s measured in terms of hashes per second (H/s) or more practically, in exahashes per second (EH/s). As the 7-day average chart for the indicator from Blockchain.com shows, the global Bitcoin Hashrate has declined this year. Generally, there can be a few factors in play whenever the Hashrate declines, but a leading one tends to be the BTC price action. Miner rewards are denoted in BTC, so these validators depend on the cryptocurrency’s USD spot value for their revenue. When the asset declines, miners with less efficient machines can drop into loss and be forced to disconnect their rigs from the network. Bitcoin has witnessed a significant drawdown since Q4 2025, so it’s not surprising to see that the 7-day average network Hashrate has decreased from 1,083 EH/s in October to 953 EH/s today. Another factor that has probably been behind the Hashrate contraction is a pivot from major mining companies toward the AI datacenter business. Firms are deeming the industry to be more profitable than BTC mining, so some are even outright transitioning from Bitcoin to put their focus on it. While the global Hashrate has declined, the trend in the computing power of individual nations has differed. For example, the United States lost Hashrate dominance of 0.13% since the start of 2026, but Kyrgyzstan and Paraguay gained shares of 0.4% and 0.3%, respectively. Below is a table shared by the Hashrate Index report that breaks down the current mining market share of the top 10 countries. As is visible, the US, Russia, and China are the three most dominant nations in Hashrate today with shares of 37.4%, 16.9%, and 12%, respectively. Together, the countries make up for 65% of the global Hashrate. Generally, mining power centralization doesn’t tend to be a positive for the sector, as it means local policy changes or disruptions can shake the blockchain as a whole. Before mid-2021, China was the most dominant player in the space, but following the mining ban , miners fled the country, causing a plunge in the total network Hashrate. This year, a snow storm in the US caused miners to turn off their machines, which once again showed up as a significant reduction in the global metric. BTC Price Bitcoin has retraced its recovery during the past day as its price has dropped to the $67,900 mark.

8 Apr 2026, 05:42

Attacking bitcoin mining with a quantum computer would require the energy of a star, academics say

One paper finds that attacking the bitcoin blockchain through quantum mining would demand the energy output of a star. Another replicates every major "quantum factoring breakthrough" using a 1981 home computer and a dog.

8 Apr 2026, 03:55

Iran Uranium Enrichment: Decoding Trump’s Critical Assurance on Nuclear Security

BitcoinWorld Iran Uranium Enrichment: Decoding Trump’s Critical Assurance on Nuclear Security WASHINGTON, D.C. – In a significant foreign policy statement, former and potential future U.S. President Donald Trump recently asserted that the issue of Iran’s uranium enrichment “would be perfectly taken care of,” reigniting global scrutiny on one of the most persistent international security challenges. This declaration, made during a campaign event, directly addresses the core of the Iranian nuclear dispute that has shaped Middle Eastern geopolitics for over two decades. Consequently, analysts and diplomats are now meticulously parsing the implications of this assurance within the volatile context of 2025. Historical Context of Iran’s Uranium Program Iran’s nuclear ambitions formally became an international concern in 2002. Subsequently, revelations about undeclared enrichment facilities at Natanz and Arak triggered a prolonged crisis. The International Atomic Energy Agency (IAEA) has since documented Tehran’s gradual expansion of its nuclear capabilities. Furthermore, the 2015 Joint Comprehensive Plan of Action (JCPOA), negotiated by the Obama administration, established strict limits. However, the U.S. withdrawal from the deal in 2018 under President Trump dramatically altered the landscape. The following table outlines key milestones in Iran’s nuclear activity post-JCPOA: Date Key Development Enrichment Level May 2019 Iran begins incremental breaches of JCPOA limits 3.67% (exceeds limit) January 2021 Announces enrichment to 20% at Fordow 20% April 2021 Begins enrichment to 60% at Natanz 60% 2023-Present Stockpile continues growing; IAEA reports gaps in cooperation Up to 60% Currently, Iran possesses a stockpile of uranium enriched up to 60% purity. Importantly, 90% is considered weapons-grade. Therefore, the technological leap required is now significantly narrower. This reality forms the urgent backdrop against which Trump’s statement must be evaluated. Analyzing the “Maximum Pressure” Legacy and Future Paths President Trump’s previous policy centered on the “maximum pressure” campaign. This strategy involved reinstating severe economic sanctions and designating Iran’s Islamic Revolutionary Guard Corps as a terrorist organization. Initially, the administration aimed to force Tehran into negotiating a broader agreement. Nonetheless, the outcome was increased regional tension and accelerated nuclear advancement by Iran. Expert Perspectives on Diplomatic and Strategic Options Nuclear policy experts highlight several potential interpretations of Trump’s recent comment. Primarily, it could signal a return to aggressive diplomatic engagement. Alternatively, it might foreshadow enhanced covert or cyber operations. Dr. Elena Rodriguez, a senior fellow at the Center for Nonproliferation Studies, notes, “Statements about ‘taking care’ of the uranium issue must be backed by a clear, credible strategy. The previous maximum pressure approach failed to curb enrichment. Therefore, any new plan would require either unprecedented leverage or a fundamental shift in diplomatic terms.” Potential strategic avenues include: Renegotiation of the JCPOA: Seeking stricter, longer-lasting limits with broader regional concessions. Enhanced Sanctions Regime: Targeting new sectors and enforcing existing sanctions more stringently with global cooperation. Military Deterrence Posture: Strengthening regional alliances and explicitly outlining red lines regarding weapons development. Cyber and Covert Capabilities: Utilizing technological means to disrupt and delay enrichment capabilities. Regional Security Implications and Global Nonproliferation The issue of Iran’s uranium transcends bilateral U.S.-Iran relations. Significantly, it directly impacts the security calculus of Middle Eastern nations. Neighboring countries, particularly Israel and Saudi Arabia, view a nuclear-capable Iran as an existential threat. Consequently, they have developed their own advanced military and intelligence capabilities as a counterbalance. Moreover, a potential regional arms race poses a severe risk to global nonproliferation norms. Simultaneously, major world powers hold divergent views. European signatories to the JCPOA continue advocating for diplomatic revival. Conversely, Russia and China have deepened economic and military ties with Tehran, complicating unified international action. This geopolitical fragmentation makes a coherent global response increasingly difficult to orchestrate. Technical and Verification Challenges in 2025 From a technical standpoint, “taking care of” Iran’s uranium presents immense challenges. The country has dispersed and hardened its nuclear infrastructure. Key facilities like Fordow are built deep underground. Additionally, Iran has mastered the full nuclear fuel cycle, from mining uranium ore to fabricating fuel assemblies. Therefore, simply rolling back the program to pre-2015 levels is likely insufficient for current security demands. Verification remains another critical hurdle. The IAEA, the world’s nuclear watchdog, has repeatedly reported obstacles in its monitoring efforts. For instance, Tehran has restricted access to certain sites and deactivated monitoring cameras. Any future agreement would necessitate a vastly more intrusive and technologically advanced inspection regime to build trust. This would require political will from all involved parties. Conclusion President Trump’s brief statement on Iran’s uranium enrichment touches upon a deep and multifaceted international dilemma. The path from assured rhetoric to effective policy is fraught with diplomatic, technical, and strategic complexities. Ultimately, addressing Iran’s nuclear program demands more than a declaration; it requires a sustainable, internationally coherent strategy that accounts for regional dynamics, verifiable disarmament, and long-term stability. The world will be watching closely to see what concrete plans follow these words, as the stakes for global nonproliferation and Middle Eastern peace could not be higher. FAQs Q1: What did President Trump mean by “perfectly taken care of” regarding Iran’s uranium? While not explicitly detailed, the phrase suggests a confident assertion that his administration would successfully manage or resolve the challenge of Iran’s advancing uranium enrichment program, likely through a combination of diplomatic pressure and other strategic means. Q2: What is the current status of Iran’s uranium enrichment? As of 2025, Iran is enriching uranium up to 60% purity at sites like Natanz and Fordow. It has accumulated a significant stockpile of enriched material and has reduced cooperation with the International Atomic Energy Agency on key monitoring issues. Q3: How does Trump’s current stance differ from his previous “maximum pressure” policy? The previous policy relied heavily on unilateral sanctions and diplomatic isolation. His recent statement does not specify the method, leaving open whether the approach would be a reprise of maximum pressure, a new diplomatic initiative, or another strategy entirely. Q4: Why is uranium enrichment up to 60% a major concern? Uranium enriched to 60% purity is a significant step toward the 90% required for a nuclear weapon. This reduces the technical time needed to produce weapons-grade material, thereby shortening the potential “breakout” timeline and increasing regional security tensions. Q5: What role does the JCPOA (Iran nuclear deal) play in this context? The 2015 JCPOA is the existing, though currently not fully operational, international framework that limited Iran’s nuclear program. Any future U.S. policy must decide whether to attempt reviving it, replace it with a new agreement, or abandon the diplomatic track altogether. This post Iran Uranium Enrichment: Decoding Trump’s Critical Assurance on Nuclear Security first appeared on BitcoinWorld .

8 Apr 2026, 00:20

Iran's Hashrate Drops 7 EH/s in Conflict

Iran's BTC hashrate dropped by 7 EH/s to 2 EH/s due to the US-Israel conflict. While global hashrate remained stable at 1.000 EH/s, the BTC price crash took inefficient equipment offline. The US le...

8 Apr 2026, 00:07

Iran’s Bitcoin hashrate falls 77% over the past quarter amid conflict

The 30-day simple moving average of the global network hashrate has also declined, though an analyst says the slump is due to Bitcoin prices hurting mining profitability rather than conflict.

8 Apr 2026, 00:00

Global Bitcoin hashrate dips 5.8% – Iran, U.S. lead BTC mining slowdown

Price action and geopolitical tensions are pushing Bitcoin's global hashrate down the drain.