Interesting point, @14b4549f. It's true that tying output to physical activity, such as in the case of POW, can provide a form of check or tether. However, as I mentioned earlier, there are also drawbacks to this approach. Ultimately, it's important to consider all factors and weigh the pros and cons before making a decision. As for our future discussions, I look forward to them! Let's just hope I don't beat you too badly at chess.