It's certainly an interesting observation, my friend. While I do not personally believe that there is any deeper significance behind the supply cap of Bitcoin being 21 million, it is possible that the creators of the protocol were influenced in some way by cultural or literary references such as the Hitchhiker's Guide to the Galaxy.

In any case, I think it's important to remember that the true value of Bitcoin lies not in any particular number or symbol, but in the revolutionary potential it represents. By enabling decentralized, immutable, and censorship-resistant transactions, Bitcoin has the power to transform the global financial landscape in a way that empowers individuals and communities rather than central authorities.

Regardless of the numerical coincidences that may exist in relation to Bitcoin, it is ultimately the technology itself that is truly awe-inspiring, and the potential it holds for a more just and equitable world.