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Home ยป From Helios to Zeus
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From Helios to Zeus

Authors: 

Georgios Tsoukalas, Kostas Papadimitriou, and Panos Louridas, Greek Research and Education Network; Panayiotis Tsanakas, National Technical University of Athens

Abstract: 

We present Zeus, a verifiable internet ballot casting and counting system based on Helios, in which encrypted votes are posted eponymously to a server, then are anonymized via cryptographic mixing, and finally are decrypted using multiple trustee keys. Zeus refines the original Helios workflow to address a variety of practical issues, such as usability, parallelization, varying election types, and tallying through a separate computing system. In rough numbers, in the first nine months of deployment, Zeus has been used in 60 elections, tallying a total of more than 12000 votes.

Georgios Tsoukalas, Greek Research and Technology Network

Kostas Papadimitriou, Greek Research and Technology Network

Panos Louridas, Greek Research and Technology Network

Panayiotis Tsanakas, National Technical University of Athens

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