According to recent estimates, China will account for about 14% of Bitcoin's global hashrate in the second half of 2025, up slightly from about 13% in the previous quarter. Based on the report, this share corresponds to nearly 145 EH/s of estimated computing power related to China's influence.
According to the latest Q4 2025 edition of Luxor's Global Hashrate Map, this number puts China behind only the other two largest contributors, indicating that it has regained a significant role after a sharp decline following the 2021 policy decision.
Hardware and supply chain
According to the report, many of the world's mining rigs are built by Chinese companies. Bitmain, MicroBT and Canaan are still listed as the main manufacturers. The country's grip on the supply chain remains strong, as miners around the world use its equipment.
The origin, spare parts, and technical know-how of equipment can often be traced back to China, which is one reason why Chinese influence is visible even when equipment operates overseas.
Source: Luxor
Movement of rig operation locations after ban changes in 2021
In 2021, China ordered a wide-ranging crackdown on cryptocurrency mining and exchanges. Many large-scale operations have departed for places such as Kazakhstan and the United States.
Some groups acted quickly. Some divide their fleets across borders. The report said certain operations continued in hidden form within China or were run by owners using overseas subsidiaries. The mix of visible transfers and less visible activities makes it difficult to determine the exact share.
As of today, the market cap of cryptocurrencies stood at $3.71 trillion. Chart: TradingView
Ownership and hidden activity
According to the report, 55% to 65% of the world's mining capacity can be traced to Chinese roots, when calculating hardware origin and ownership together.
Early data for 2022 puts China near 21% on some indicators, illustrating how estimates vary depending on methodology and timing. Hashrate snapshots vary depending on factors such as IP allocation, pool membership, and reported ownership.
As a result, different groups have different country shares, and the figures should be viewed as snapshots rather than fixed totals.
Energy patterns and security concerns
Hydroelectric power in Sichuan and coal in the northern region once helped make China's mines cheaper. These energy factors shaped the ancient geography of China's domestic mines.
Now, many rigs are moving, the energy mix is changing, and emissions vary depending on the host country.
Featured image from Pixabay, chart from TradingView
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