https://www.theenergymag.com/news/2026-06-13/bitcoin-mining-difficulty-steep-decline TheEnergyMag en 2026-06-13T10:04:38.000Z /news/market-news/hut-8-former-merrill-lynch-ceo-ai TheEnergyMag en 2026-06-11T20:48:30.000Z