【Author】
Lu, Youshui; Qi, Yong; Qi, Saiyu; Li, Yue; Song, Hongyu; Liu, Yuhao
【Source】IEEE TRANSACTIONS ON MOBILE COMPUTING
【Abstract】As the most successful application of the sharing economy, ride-hailing service is popular worldwide and serves millions of users per day worldwide. Ride-hailing service providers (SPs) usually collect users' personal data to improve their services via big data technologies. However, SPs may also use the collected user data to apply personalized prices to different users, which raises price fairness concerns. In this paper, we propose a smart price auditing system named Spas. Spas allows a user to purchase Fair Price Insurance in the form of Price Auditing Contract, then the price of ride-hailing service (RHS) order will be audited automatically once completed. According to the auditing result, the contract punishes misbehaving SPs and also compensates affected users automatically. By replacing an untrustworthy centralized auditor with carefully designed smart contracts, we construct a decentralized price auditing system which is trustworthy and transparent. We demonstrate a theoretical model for practical payment flows based on real RHS user data and we implement Spas in Hyperledger Fabric to show that decentralizing and automating price auditing for RHS with financial incentives is technically feasible.
【Keywords】Pricing; Insurance; Mobile computing; Smart contracts; Data protection; Distributed ledger; Auditing; blockchain; smart contract; ride-hailing; game theory; insurance scheme; decentralized system
【标题】对价格歧视说不：分散化和自动化的激励机制对乘车服务的价格审计的影响
【摘要】作为共享经济最成功的应用，网约车服务风靡全球，每天为全球数百万用户提供服务。网约车服务提供商 (SP) 通常会收集用户的个人数据，以通过大数据技术改进服务。然而，SP 也可能使用收集的用户数据将个性化价格应用于不同的用户，这会引发价格公平问题。在本文中，我们提出了一个名为 Spas 的智能价格审计系统。 Spas 允许用户以价格审计合同的形式购买公平价格保险，然后在完成后将自动审计乘车服务 (RHS) 订单的价格。根据审计结果，合约对行为不端的 SP 进行处罚，并自动补偿受影响的用户。通过用精心设计的智能合约代替不可信的集中审计，我们构建了一个可信且透明的去中心化价格审计系统。我们展示了一个基于真实 RHS 用户数据的实际支付流程的理论模型，并在 Hyperledger Fabric 中实施 Spas，以表明具有财务激励的 RHS 去中心化和自动化价格审计在技术上是可行的。
【关键词】价钱;保险;移动计算;智能合约；数据保护;分布式账本；审计；区块链；智能合约；叫车服务；博弈论；保险计划；分散系统
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