Bitcoin's Mining Difficulty Adjustment May Not Be Enough to Save Struggling Miners

The Bitcoin network is preparing to adjust its mining difficulty downward by approximately 16% around July 26, providing miners still operating online with a larger share of the network's rewards. However, this relief may not be enough to mitigate the challenges facing the industry.

The current hash price, which measures the revenue expected from one petahash per second of computing power, is at or below breakeven for many operators depending on their power costs and machine models. The level has recovered somewhat since hitting a low of $27.60 in early July but remains 37% below its peak near $49.40 in October.

The mechanism that adjusts mining difficulty every 2,016 blocks according to how long the previous 2,016 took to produce can provide relief, but it cannot renegotiate expensive power contracts, refinance debt obligations, or restore the value of aging machines. The current situation highlights why this benefit can disappear quickly as hashrate and block production slow down.

A double-digit reduction in difficulty would improve the economics of every machine that remains online, but most of the benefit would flow toward operators with the newest equipment, cheapest electricity, strongest access to capital, and enough balance-sheet flexibility to restart fleets without selling assets under pressure. This could lead to a more concentrated industry as efficient fleets switch back on and low-cost operators gain network share.

CleanSpark and MARA are examples of public miners that should be capable of capturing difficulty relief but may not see significant changes in their operations due to their existing strategies and financial pressures.