The following publications are possibly variants of this publication:
- A Practical Voter-Verifiable Election SchemeDavid Chaum, Peter Y. A. Ryan, Steve A. Schneider. esorics 2005: 118-139 [doi]
- Scantegrity II: end-to-end verifiability by voters of optical scan elections through confirmation codesDavid Chaum, Richard Carback, Jeremy Clark, Aleksander Essex, Stefan Popoveniuc, Ronald L. Rivest, Peter Y. A. Ryan, Emily Shen, Alan T. Sherman, Poorvi L. Vora. tifs, 4(4):611-627, 2009. [doi]
- Corrections to scantegrity II: end-to-end verifiability by voters of optical scan elections through confirmation codesDavid Chaum, Richard Carback, Jeremy Clark, Aleksander Essex, Stefan Popoveniuc, Ronald L. Rivest, Peter Y. A. Ryan, Emily Shen, Alan T. Sherman, Poorvi L. Vora. tifs, 5(1):194, 2010. [doi]
- Secret-Ballot Receipts: True Voter-Verifiable ElectionsDavid Chaum. ieeesp, 2(1):38-47, 2004. [doi]