Bitcoin mining company MARA Holdings warns that miners relying on grid-attached power sources will struggle after the next halving event in 2028. The recent halving event has already put pressure on miners to diversify revenue sources, and the 2028 event is expected to force another industry-wide reckoning. MARA recommends securing low-cost energy, expanding beyond bitcoin mining, and differentiating oneself in order to stay profitable in the competitive market. MARA recently acquired a Texas wind farm to lower power costs and has ramped up development and sales of data center infrastructure. MARA reported Q4 earnings that beat analyst estimates.



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