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LocaWard: A Security and Privacy Aware Location-Based Rewarding System

机译：LocaWard：基于位置的安全和隐私感知奖励系统

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摘要

The proliferation of mobile devices has driven the mobile marketing to surge in the past few years. Emerging as a new type of mobile marketing, mobile location-based services (MLBSs) have attracted intense attention recently. Unfortunately, current MLBSs have a lot of limitations and raise many concerns, especially about system security and users' privacy. In this paper, we propose a new location-based rewarding system, called LocaWard, where mobile users can collect location-based tokens from token distributors, and then redeem their gathered tokens at token collectors for beneficial rewards. Tokens act as virtual currency. The token distributors and collectors can be any commercial entities or merchants that wish to attract customers through such a promotion system, such as stores, restaurants, and car rental companies. We develop a security and privacy aware location-based rewarding protocol for the LocaWard system, and prove the completeness and soundness of the protocol. Moreover, we show that the system is resilient to various attacks and mobile users' privacy can be well protected in the meantime. We finally implement the system and conduct extensive experiments to validate the system efficiency in terms of computation, communication, energy consumption, and storage costs.
机译：移动设备的激增推动了移动营销在过去几年中激增。作为一种新兴的移动营销形式，基于位置的移动服务（MLBS）最近引起了广泛的关注。不幸的是，当前的MLBS有很多局限性，并且引起了很多关注，尤其是在系统安全性和用户隐私方面。在本文中，我们提出了一个新的基于位置的奖励系统，称为LocaWard，移动用户可以在该系统中从令牌分发者那里收集基于位置的令牌，然后在令牌收集者中兑换他们收集的令牌以获取有益的奖励。代币充当虚拟货币。令牌发行者和收集者可以是希望通过这种促销系统吸引顾客的任何商业实体或商人，例如商店，饭店和汽车租赁公司。我们为LocaWard系统开发了一个基于安全和隐私保护的基于位置的奖励协议，并证明了该协议的完整性和可靠性。此外，我们证明了该系统可以抵抗各种攻击，同时可以很好地保护移动用户的隐私。我们最终实现了该系统并进行了广泛的实验，以验证系统在计算，通信，能耗和存储成本方面的效率。

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