According to Miles Deutscher, top crypto investors employ mental models that focus on disciplined risk management, understanding market cycles, and leveraging asymmetry in trades. These models include strategies like the Kelly Criterion for position sizing, and the Lindy Effect for assessing the longevity of cryptocurrencies. Investors also emphasize the importance of maintaining emotional control and learning from past market behaviors. These insights are critical for traders aiming to develop a sustainable edge in the volatile cryptocurrency market.