Bitcoin hash rate is basically just a multiplication problem. Economic profit × chip efficiency × energy supply × regulation—multiply these four factors, and if any one of them hits zero, the hash rate goes straight to zero. So when judging hash rate trends, don’t bother with all those flashy analyses. Just focus on one number: miners’ marginal profit. Can the BTC price cover the total cost? That’s the on/off switch. Everything else is just noise. In the long run, hash rate growth speed ≈ chip efficiency improvement + discovery speed of cheap energy. Price is just short-term fluctuation; the real ceiling is the laws of physics. If you’re thinking about investing in mining, there are only two questions: When will the next-gen mining rigs go into mass production? Have you secured cheap electricity? The rest is out of your control. Do you think miners still have profit margins right now?