Bitcoin miners face the tightest margins since 2023, warns theminermag.com’s Head of Research Wolfie Zhao, as hashprice flirts with critical break‑even territory. Trump Tariffs Add Jitters to Miners Already Hit by Rising Difficulty, Study Finds According to theminermag.com data compiled by Wolfie Zhao, hashprice temporarily fell below $40 per petahash per second in early April,