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While protein folding calculations are useful, they can't be used as a foundation of PoW systems because there is no easy way to verify a solution.

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Yes there is. It's the most easy way to verify - see if the protein matches with the problem receptor. It's pretty much black or white if something binds to a receptor.

I think the perspective just needs to change. Maybe a little handheld "protein receptor match" kit that you plug your numbers into, and it will "make" your particle to try to match in a small lab kit that is portable.

First you have to verify that the conformation of the protein is correct. What use is an improperly or incompletely folded protein with regard to ligand binding?

So, a machine that can print prions?

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