This lecture covers the fundamentals of e-voting systems, focusing on the decentralized approach for democratic processes. The instructor discusses the election phases, requirements such as integrity and privacy, and the challenges faced in implementing end-to-end verifiability and coercion resistance. The lecture also explores in-person voting methods, the concept of remote e-voting, and the specific challenges encountered in the Swiss Post E-Voting System. Key topics include the properties of individual and universal verifiability, the solution strategy involving various components, and the requirements for ensuring transparency and security in the voting process.