The papers include a range of works on end-to-end verifiable election systems, verifiably correct complex tallying algorithms, human perceptions of verifiability, formal models of verifiability and, of course, attacks on systems formerly advertised as verifiable.

Scaling Privacy Guarantees in Code-Verification Elections.- On the Specification and Verification of Voting Schemes.- Formal Model-based Validation for Tally Systems.- Vote Casting In Any Preferred Constituency: A New Voting Channel.- Attacking the Verification Code Mechanism in the Norwegian Internet Voting System.- A Formal Model for the Requirement of Verifiability in Electronic Voting by means of a Bulletin Board.- Analysis of an Electronic Boardroom Voting System.- Dispute Resolution in Accessible Voting Systems: The Design and Use of Audiotegrity.- Mental Models of Verifiability in Voting.- Towards a Practical Internet Voting Scheme Based on Malleable Proofs.- A Practical Coercion Resistant Voting Scheme Revisited.

This book constitutes the thoroughly refereed conference proceedings of the 4th International Conference on E-Voting and Identity, VoteID 2013, held in Guildford, UK, during July 17-19, 2013. The 12 revised full papers presented were carefully selected from 26 submissions. The papers include a range of works on end-to-end verifiable election systems, verifiably correct complex tallying algorithms, human perceptions of verifiability, formal models of verifiability and, of course, attacks on systems formerly advertised as verifiable