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The Initial Bulletin Board Posting

The Initial Bulletin Board Posting. Envelopes are: Opaque Sealed Bubbles unfilled Serial numbered (numbers unique per batch). 1 st Batch. 2 nd Batch. Empty forms. The Pre-printed Ballots. Candidate list permutations are random and kept hidden.

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The Initial Bulletin Board Posting

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  1. The Initial Bulletin Board Posting • Envelopes are: • Opaque • Sealed • Bubbles unfilled • Serial numbered • (numbers unique • per batch) 1st Batch 2nd Batch Empty forms

  2. The Pre-printed Ballots • Candidate list permutations are random and kept hidden

  3. Voter Gets Two Ballots & Folds/Fills Voter chooses whichto fold & which to fill

  4. Voter Gets Receipt & Casts Ballot carried in redacting folder Copy Voter deposits ballot in ballot box (still in folder) Voter copies ballot (through redacting folder) Voter takes folded ballot and redacted copy of cast ballot as receipt

  5. Folded Ballot Challenge Everyone can see that the envelopes in the chain pointed to by the folded ballot were formed correctly.

  6. Marking First Envelopes Simple transfer from the ballot box to the bulletin board (checked next)

  7. Marked Envelope Challenge Voters can check that what’s posted matches receipt

  8. 1st Trustee Transfers Marks Link not revealed 1st trustee knows what’s written inside envelopes of the 1st batch and can transfer the mark accordingly

  9. 2nd Trustee Transfers Marks 2nd trustee knows what’s in 2nd batch envelopes and uses it to transfer marks

  10. Public Random Challenge Coin flip per envelope in the first batch, like a lottery draw

  11. Heads: 1st Envelope Opened X-Ray View Transferred mark verified consistent with previously secret content of envelope

  12. Tails: 2nd Envelope Opened X-Ray View Transfer verified consistent with content of second envelope

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