Bitcoin's 316-day hashrate drought is breaking the old mining playbook. AI is the reason

Bitcoin's hashrate has gone 316 days without a new record. That's the longest drought in a decade. The previous stretch without a fresh high was 252 days, so this isn't a blip.

Here's the strange part. The 7-day network average sat near 914 exahashes per second on Aug. 31, roughly 20.6% below the October 2025 peak of 1,151.6 EH/s. That drawdown happened even as Bitcoin itself rallied hard. BTC climbed 34.9% from late June through late August, touching above $81,000. Hashrate fell 10.1% over that same window. That's only the second time since 2012 that price and hashrate moved in opposite directions like that.

In plain English, machines that should be turning back on aren't.

Historically the math was straightforward. Price goes up, block rewards become more valuable, miners switch idle rigs back on and difficulty follows. That's how the cycle always worked. But Twenty One Capital CEO Raphael Zagury calls this Bitcoin's first sustained "economic hashrate bear market." The name fits because the usual recovery signals are showing up and they aren't enough.

Difficulty is down 18.3% from its November 2025 peak, the steepest drop since China's 2021 mining ban. The Puell Multiple sat near 0.73, putting miner revenue in the 16th percentile. By Aug. 31 hashrate had recovered a bit to 915 EH/s and hashprice ticked up to $39.36 per petahash per day. Stronger conditions, sure, but nowhere near the old high.

So what's different? AI is now competing for the same power and data-center space miners used to control.

IREN slashed its self-mining capacity from 50 EH/s in June 2025 to 23.2 EH/s by June 2026 while pushing power toward AI Cloud Services. TeraWulf energized 102 MW of critical-IT capacity in July alongside 145 MW of legacy mining. Riot signed a roughly $9 billion, 20-year compute deal with Anthropic in August. That's the tell. A machine idled by low hashprice can restart when Bitcoin gets profitable. Power locked into a 20-year AI contract can't.

Bottom line: the recovery mechanism still works, it's just slower now. Some hashrate is returning and blocks are landing near target. But the infrastructure that used to sit idle waiting for the next mining bull market now has other paying customers.

That might actually be healthy for Bitcoin long term. Fewer miners chasing the same block subsidy means better margins for the ones who stay. But it also means the October 2025 hashrate peak might not get reclaimed anytime soon. Miners found a hedge. Whether that dilutes Bitcoin's security narrative or strengthens its remaining miners is the real question to watch.