Mining difficulty is increasing and rewards have halved. Only miners with "low capital cost basis, access to low power, and efficient fleets" will survive 2026. This signals a consolidation phase where small, inefficient miners capitulate. Large, publicly traded US miners (Marathon, Riot, CleanSpark) have the capital access to acquire distressed assets and dominate hashrate. Long the most efficient large-cap miners as they gain market share from capitulating competitors. Sustained BTC price drop below production cost; energy regulation.