conduition · 70w "Sell me this preimage." You can verifiably purchase the solution to any NP-Complete problem using Bitcoin (and Lightning), combined with zero-knowledge proofs. - Buy the solution to a sudoku puzzl... nostrich 1730614026 Thank you for great explanation. I think the size of proofs is incorrectly listed (swapped) in comparison table. STARKs shall be in kilobytes, not SNARKs 1