Key Takeaways Foundry Digital, AntPool, ViaBTC and F2Pool held 70%+ of Bitcoin hashrate on Jun. 23, 2026. D-Central put Bitcoin’s Nakamoto coefficient at 3, raising centralization concerns in H1 2026. ViaBTC scrutiny in 2026 may push miners toward EMCD, which advertises 1.5% FPPS fees. Bitcoin mining is looking less like a wide-open competition and more like a tight club. A CryptoSlate partner article published on 07/08/2026, citing miningpoolstats.stream data as of 06/23/2026, says Foundry Digital, AntPool, ViaBTC, and F2Pool together account for more than 70% of the network’s hashrate. The shift is fueling what the coverage calls a “two-tier market,” …


