The profitability of Puzzle 67 can be assessed using AI, and it turns out to be quite profitable, maybe even 68.

At a speed of 7 Terrakeys, approximately 1,750 RTX 4090 GPUs with undervolting to 350 W would be required.

🔹 Power Consumption:

Total power: 612.5 kW
Runtime: 67 days (1,608 hours)
Total consumption: 984,900 kWh
🔹 Electricity Costs:

USA (0.19 USD/kWh): 187,131 USD
UK (0.318 USD/kWh): 313,198 USD (≈244,686 GBP)
These costs vary by region and tariff, but the USA and the UK remain among the most expensive places for electricity.