According to the latest onchain stats, Bitcoin’s top ten mining pools currently control a hefty 94.2% of the global hashrate — and they collectively hold $6.52 billion in bitcoin across their wallets. Inside the Secret Stashes of Bitcoin’s Biggest Mining Pools and Their Counterparties As of today, the ten biggest mining pools by block production […] Source: https://news.bitcoin.com/top-10-miners-dominate-94-of-hashrate-and-hoard-over-55000-btc/