Bitcoin has now dropped to the shutdown price for ordinary miners. What does that mean? It means the coins mined can't even cover the electricity costs. Previously, miners could grit their teeth and hold on, betting on a future rebound, but this time is different. AI is frantically grabbing computing power. NVIDIA's GPUs are in short supply, and cloud computing rental prices are rising. The high-end graphics cards and specialized chips in miners' hands are a ready source of cash flow if they switch tracks.