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BTC mining companies sold off 61,000 BTC in the first half of the year, accelerating the "death spiral." Just the 32,000 BTC sold in Q1 already exceeded the total for all of 2025. 1. The halving was the trigger, losses are the main cause. After the halving in April 2024, block rewards dropped from 6.25 to 3.125. Some mining companies have production costs as high as $78,000, while spot prices are only $63,000-$65,000. Mining one BTC results in a loss of over $10,000; if they don’t sell BTC to pay electricity bills, they have to shut down. This is not an investment choice, it’s a survival issue. 2. The scale of sell-offs hasn’t stopped and is continuing. The 32,000 BTC was just data from publicly listed miners in Q1; now the monitored amount has reached 61,000 BTC. This also explains why BTC doesn’t rise even when ETFs have inflows—miners are selling, ETFs are buying, supply and demand basically offset each other. When ETFs have outflows but miners keep selling, the price naturally can’t hold. 3. A bigger issue is that mining companies are basically all transitioning to AI. Nvidia GPUs, data centers, AI computing power leasing—these business cash flows are much more stable than mining BTC. This isn’t just "riding the hype," it’s a business model shift. This is why I’m currently pessimistic about the market, believing this rally won’t hold and the market will see another drop. Unless spot demand (ETF + institutions) experiences explosive growth, BTC will continue to be suppressed by sell pressure.