Disagree that Bitcoinis not provably connected to the real world. Blockchains are blind. The only window is through providing cryptographic proof that a computation occurred. Computation that is simple, not "complicated math problems" like anti-POW propaganda says. If it's simple, you can't get better at it, causing the link between energy and the Computation to be more direct. This is the portal between the real world and the digital that doesn't rely on trust. The only thing a blind computer can be 100% cryptographically sure occured.