I don't see the direct connection sorry. With currency, gold, etc, it can be stolen or controlled in ways a blockchain currency cannot. I was merely talking ab

I don't see the direct connection sorry. With currency, gold, etc, it can be stolen or controlled in ways a blockchain currency cannot. I was merely talking about replacing proof of work with a human step rather than something computed. Intellectual labour (such as to plug our gaps in AI) moreso than physical. Answer a quiz when you buy a coffee or sit there for a few hours to mine coins while analysing a corpus. Something like that. I saw that some exist, I don't know how relevant they are.