The Mining Difficulty of Bitcoin is continuously rising, causing old Mining Rigs to reach their shutdown threshold.

The latest [surge] in Bitcoin network difficulty has forced many old and mid-range Mining Rigs to become unprofitable, with the operating prices of some models currently reaching or falling below their discontinuation price levels. According to Antpool's profitability data, based on an electricity price of $0.08 per kilowatt-hour, the current mining economics indicate that under the current mining difficulty and price conditions, multiple generations of hardware have become unprofitable. The prices of old Antminer and Whatsminer Mining Rigs have reached shutdown levels. Prices of Antminer S19 series and Whatsminer M60 and earlier models have also reached shutdown levels, meaning their earnings can no longer cover energy costs. The prices of Whatsminer M60 and M66 series Mining Rigs are also nearing shutdown levels (with Bitcoin priced at approximately $93,000), highlighting the sensitivity of mid-range Mining Rigs to the increased mining difficulty. High Computing Power Mining Rigs can still be profitable, but the profit margins are narrowing. Even top-tier Mining Rigs are under pressure: the shutdown price for high-performance Mining Rigs like Antminer U3S23H and Antminer S23 Hyd has exceeded $44,000, indicating that even newer Mining Rigs are seeing their profit margins continuously shrink as mining difficulty increases.