On the Necessity of Pre-Agreed Secrets for Thwarting Last-Minute Coercion: Vulnerabilities and Lessons from the Loki E-Voting Protocol

Coercion-resistance CR is a crucial security property in e-voting systems. It ensures that an attacker cannot compel a voter to vote in a specific way by using threats or rewards. The Loki e-voting protocol, proposed by Giustolisi \emphet al. at IEEE S&P 2024, introduces a novel design that...