Bitcoin's four major mining pools control over 70% of computing power

As of June 23, 2026, FoundryDigital, AntPool, ViaBTC and F2Pool together control more than 70% of the computing power of the Bitcoin network, which is approximately 31%, 18%, 13% and 10% respectively. Foundry Digital is an American mining pool supported by DigitalCurrency Group and is mainly for large institutions and listed mining companies. D-Central gave a Nakamotocoefficient of 3 in the first half of 2026, which means that more than half of the blocks can be extracted with only 3 mining pools. ViaBTC faces stricter regulatory scrutiny in 2026, and some miners have turned to alternative mining pools such as EMCD.