Reports of a renewed crackdown on Bitcoin mining in China's Xinjiang region have sparked concerns across crypto markets this week. Early claims warned of severe hashrate losses and widespread shutdowns. However, mining data examined after the initial reaction suggests that the impact was brief and much weaker than previously reported.
In brief
- Bitcoin's hashrate briefly fell after the Xinjiang reports, but data shows losses were much smaller and recovery quick across major pools.
- The net hashrate declined by around 20 EH/s, well below early claims of 100 EH/s linked to a major mining outage in China.
- North American pools, led by Foundry USA, saw the biggest declines, pointing to U.S. electricity restrictions as a major factor.
- Despite China's 2021 ban, Xinjiang-related mining activity persists thanks to cheap energy and unused data center capacity.
Bitcoin hashrate drop is much smaller than early claims about Xinjiang
Data from TheMinerMag shows that although Bitcoin's hashrate has indeed declined, early claims exaggerated both the magnitude and the cause. Initial reactions focused on Xinjiang, while later evidence pointed to a mix of factors, including temporary limits on U.S. power.
In its latest Miner Weekly report, TheMinerMag noted that Bitcoin's total hashrate fell shortly after reports of shutdowns in Xinjiang emerged. This decline fueled fears of a major regional disruption. The recovery followed quickly, with most large mining pools returning close to previous levels within a few days.
Rather than the widely cited loss of 100 exahashes per second (EH/s), the data indicates a net decline of around 20 EH/s. This pattern suggests a short-term disruption rather than a sustained, region-specific shutdown. And for Bitcoin, the difference is significant. Prolonged drops in hashrate can slow down block production and affect mining difficulty, while brief drops generally have a limited effect.
Mining Data Shows Rapid Recovery After Short Drop in Global Hashrate
Pool-level data adds another dimension to the Xinjiang-centric narrative. North American pools recorded the greatest losses during the same period. Foundry USA alone reported an estimated drop of 180 EH/s, indicating that power restrictions outside of China are a key factor.
Chinese-origin pools saw combined declines of around 100 EH/s. However, analysts warn against attributing all this to Xinjiang alone. Activity varied unevenly between pools, making a single-cause explanation unlikely.
Key takeaways from hashrate data include:
- A short-term drop in hashrate followed by a rapid recovery.
- A net loss close to 20 EH/s, not 100 EH/s.
- The biggest declines at the pool level took place in North America.
- Chinese pools saw mixed and uneven reductions.
- No evidence of a sustained nationwide shutdown.
Questions about China's role resurfaced after Jianping Kong, a former Canaan executive, said some operations in Xinjiang had ceased. Crypto commentator Kevin Zhang estimated that around 2 gigawatts of mining capacity was offline.
Initial social media posts suggested that around 500,000 machines were affected, but subsequent analysis instead pointed to more limited compliance or operational issues rather than broad enforcement measures.
Bitcoin mining activity linked to China has gradually returned since the 2021 nationwide ban. Data from CryptoQuant suggests that China now accounts for 15% to 20% of global mining activity, making it the third largest Bitcoin miner in the world.
Xinjiang remains attractive due to low-cost energy and significant investment in data centers. Some local facilities apparently rent out their unused capacity to miners to compensate for fluctuations in demand from other IT services. Together, these factors explain why mining activity in the region persists despite periodic disruptions and increased surveillance.
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