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Bitcoin’s mining difficulty fell 10.09% at block 953,568 on June 14. The drop took difficulty from 138.96 trillion to 124.93 trillion. The adjustment ranks as the 11th-largest downward move in the network’s history and the second-largest drop of 2026, according to Galaxy Research.
June Drop Pushes Difficulty to Lowest Level of 2026
The June drop is the third downward adjustment of more than 5% in 2026, following an 11.16% cut on February 7 and a 7.76% reduction in March. The February and June moves both rank among the 11 largest negative adjustments on record. The new difficulty level is the lowest of 2026 and the lowest since July 2025.
Difficulty Falls as Hashrate Contracts Amid Price Slide
Bitcoin’s network recalibrates mining difficulty every 2,016 blocks, roughly every two weeks, to keep average block times near 10 minutes regardless of how much computing power is competing. The prior epoch ran about 15.6 days against a 14-day target, the condition that triggers a downward adjustment.
The decline came as Bitcoin’s June price slide compressed miner margins, contributing to a pullback in hashrate. Network hashrate fell from levels above 1,000 exahashes per second to roughly 893 EH/s before partially recovering to about 915.95 EH/s.
Galaxy Research said the June price slide squeezed miner margins to the breaking point, pushing hashprice, a measure of daily mining revenue per unit of computing power, below $28 per petahash per second last week. Hashrate Index data shows hashprice has since recovered to about $33.68 per PH/s.
Difficulty Cut Offers Miner Relief, but Margins Remain Pressured
The difficulty cut gives surviving miners roughly 11% more Bitcoin per unit of active hashrate, since each remaining machine faces less competition for the same block reward. Average block times have returned to near 10 minutes following the adjustment, and an early read from Hashrate Index points to a roughly flat next adjustment.
Even with the relief, all-in production economics remain underwater for many operators at current Bitcoin prices. Smaller operations running older-generation equipment or facing higher electricity costs are more likely to have been forced offline, concentrating hashrate among better-capitalized miners.
