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首页> 外文期刊>International journal of adaptive, resilient, and autonomic systems >Anonymous and Fair Micropayment Scheme with Protection against Coupon Theft
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Anonymous and Fair Micropayment Scheme with Protection against Coupon Theft

机译：匿名和公平的小额支付计划，可防止优惠券被盗

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摘要

The development of new applications of electronic commerce (e-commerce) that require the payment of small amounts of money to purchase services or goods opens new challenges in the security and privacy fields. These payments are called micropay merits and they provide a trade-off between efficiency and security requirements to pay low-value items. It is usual to assume low value fraud to achieve efficiency in micropayment systems. In this paper the authors present an improved version of an efficient and secure micropayment scheme which fulfils the security properties that guarantee no financial risk for merchants and the privacy of the customers. In addition, the proposed system defines a fair exchange between the coin and the desired good or service. In this fair exchange, the anonymity and untraceability of the customers are assured. Moreover, customers can request a refund whether they are no more interested on the services offered by merchants. As a novelty, an improvement of the scheme avoids customers to fraudulently use a refund operation to gain a little amount of money (called coupon). Thus, a new resolution subprotocol allows the merchant to avoid the loss of any single coupon.
机译：电子商务（e-commerce）新应用的开发需要支付少量的钱来购买服务或商品，这在安全和隐私领域提出了新的挑战。这些支付称为微支付优点，它们在效率和安全性要求之间进行权衡以支付低价值的物品。通常会假设低价值欺诈，以实现小额支付系统的效率。在本文中，作者提出了一种高效且安全的小额支付方案的改进版本，该方案具有安全特性，可保证对商家无财务风险和客户隐私。另外，所提出的系统定义了硬币与所需商品或服务之间的公平交换。通过这种公平的交换，可以确保客户的匿名性和不可追溯性。此外，客户是否对商家提供的服务不再感兴趣，可以要求退款。作为一种新颖性，该方案的改进避免了客户欺诈性地使用退款操作来获取少量钱（称为优惠券）。因此，新的解决方案子协议允许商家避免丢失任何一张优惠券。

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