The renewed interest in "protocol design docs" by crypto investors like Mike Dudas, co-founder of The Block and 6th Man Ventures, suggests a deep dive into the fundamentals of specific crypto projects. This could indicate a search for undervalued assets or a re-evaluation of existing holdings based on core technology and tokenomics, potentially signaling future shifts in investment focus within the cryptocurrency market. Investors might consider researching the underlying protocols of their crypto holdings.