Bitcoin’s Biggest Mining Reset in Months Is Here

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Bitcoin (BTC) has completed one of its largest mining difficulty reductions on record after weeks of declining network hashrate and mounting pressure on miners. The network lowered mining difficulty by 10.09% at block 953,568, making it the 11th-largest downward adjustment in Bitcoin’s history and the second-biggest decline of 2026. This happened after lower BTC prices squeezed mining profitability, which caused some operators to temporarily or permanently disconnect machines.

Bitcoin Posts One of Its Largest Difficulty Cuts

According to blockchain data shared in an X post by Galaxy Research, Bitcoin’s mining difficulty dropped 10.09%, which means it fell from 138.96 trillion to 124.93 trillion at block 953,568.

The analysis from Galaxy highlighted that this ranks as the 11th-largest downward difficulty adjustment ever, behind February’s 11.16% decline, which followed severe winter storms in the United States.

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The adjustment followed an unusually long mining epoch that lasted 15.6 days, compared with Bitcoin’s target of about 14 days. Because blocks were being mined more slowly than expected, the protocol automatically reduced mining difficulty to restore the average 10-minute block interval.

Galaxy Research attributed the latest decline primarily to Bitcoin’s nearly 15% price correction during June, which compressed mining margins and prompted hashrate to leave the network.

Indeed, the price of BTC at press time on June 15 stood at $65,647.47, which is an increase of 1.9% on the day and 3.7% across the week, but a 16.2% drop over the past month, according to the most recent chart information.

Falling Hashrate Reflects Pressure on Miners

Network hashrate also weakened during the recent correction before showing signs of stabilization. CoinWarz data shows Bitcoin’s hashrate currently sits at roughly 999 EH/s, after previously falling well below the 1 zettahash-per-second mark during the selloff.

Meanwhile, Glassnode’s seven-day moving average indicates the network hashrate has begun recovering after declining throughout early June, suggesting some miners have already returned online as network conditions improved.

The lower difficulty should provide immediate relief for miners because each unit of computing power now earns a larger share of newly mined Bitcoin. According to Hashrate Index, mining profitability, commonly measured by hashprice, has also recovered after briefly falling below $30 per PH/s/day, helping improve economics for operators still connected to the network.

Several factors have led to the recent drop in hashrate beyond Bitcoin’s price weakness. Analysts have pointed to miners shifting infrastructure toward AI and high-performance computing tasks, whereas seasonal power curtailments in Texas under ERCOT’s 4CP program have also temporarily taken mining equipment offline.

Though the difficulty adjustment improves conditions for active miners, future network performance will largely depend on Bitcoin’s price, transaction fee revenue, electricity costs, and whether sidelined hashrate returns during the current mining epoch.