Abstract
When building the large-scale distributed decision control system based on mobile terminal devices (MTDs), electronic voting (E-voting) is a necessary technique to settle the dispute among parties. Due to the inherent insecurity of Internet, it is difficult for E-voting to attain complete fairness and robustness. In this study, we argue that Bitcoin blockchain offers better options for a more practical E-voting. We first present a coin mixing-based E-voting system model, which can cut off the relationship between the voter’s real identity and its Bitcoin address to achieve strong anonymity. Moreover, we devise a secret sharing-based E-voting protocol, which can prevent voting number from being leaked ahead and further realize strong robustness. We establish the probable security theory to prove its security. In addition, we use the experimental evaluation to demonstrate its efficiency.
Highlights
Over the past two years, the rapid development of mobile edge computing (MEC) gives mobile terminal devices (MTDs) more computation and communication resource [1, 2], which produces the prospect of large-scale distributed decision control system based on MTD
With the portable service of MTD, the medical intelligent diagnosis system allows multiple medical teams to carry out the consultation at any time and any place, which can effectively alleviate the burden of regional healthcare system caused by the emergent disaster (e.g., COVID-19); as MTD becomes more widespread, the intelligent property management system encourages more property owners to directly participate in community affairs, which facilitates the reduction in management costs, as well as the enhancement of management quality
In the multidisciplinary team (MDT)-based diagnosis treatment model, doctors usually have a disagreement in treatment plans for patients; in property management, different owners usually have different preferences, and among them, it is difficult to reach an agreement
Summary
In the multidisciplinary team (MDT)-based diagnosis treatment model, doctors usually have a disagreement in treatment plans for patients; in property management, different owners usually have different preferences, and among them, it is difficult to reach an agreement In this case, electronic voting (E-voting), as a common means of settling such dispute (i.e., collecting the wish of each individual to evaluate group overall preference), is a necessary technique when building the large-scale distributed decision control system. To guarantee the anonymity of the voter during voting process, some relevant schemes based on zero-knowledge proofs or double envelope encryption have been proposed [7, 8], identity privacy can still be leaked through analyzing the voter-ballot relationship, once the voting result is announced. To provide a better electronic voting service and address the above challenges, we propose a more secure Bitcoin-enabled E-voting scheme termed as BEvote.
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