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I modified before submitting the answers the wrong ones. Judging that you offer bounties, you must have done this on purpose, knowing people will search for this...

  • Main technology to protect origo network privacy is ZNP(zero knowledge proof)
  • Difference between Monero/Zcash/Dash and origo network is smart contract privacy
  • Difference between origo network with keep network and nucypher is keep and nucypher are layer 2 privacy solutions

Smart contract privacy should be correct answer i think