DUSKLINGS
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The answer

Lines to add are green; lines to remove are red.


    

  
  
  

    
Zero-knowledge circuits

    
Secret stats

    
Write dusk-plonk circuits that prove a Duskling's power without revealing its stats, then that it's at least 50. Each check makes a real PLONK proof.

    

      

        
Lesson 1: Secret stats

        
    
          
  1. Show nothing, prove everything
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  2. Private inputs
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  3. An addition gate
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  4. The claimed power
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  5. Tie it together
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  6. Show the verifier the power
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  7. Prove your Duskling's power
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Lesson 2: The arena pass

        
    
          
  1. Fifty or more
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  2. Power goes private
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  3. A helper witness
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  4. Check the helper
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  5. Keep slack small
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  6. Your arena pass
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All paths