China Quietly Reclaims 14% of Bitcoin’s Hashrate as Underground Mining Surges Back

Despite China’s sweeping 2021 crackdown that forced miners offline and reshaped the global Bitcoin landscape, underground mining activity is rapidly resurging. New estimates show that by the end of October 2025, China had quietly climbed back to 14% of global hashrate, making it the third-largest Bitcoin mining hub in the world once again. source: https://www.ethnews.com/china-quietly-reclaims-14-of-bitcoins-hashrate-as-underground-mining-surges-back/