一種兼顧隱私與公平的網路交易系統

在線上交易系統中，許多使用者利用它的方便來購買與出售物品。雖然這種方式非常普及與方便，但許多詐騙問題因而發生，例如買家將金錢給了賣家之後，卻得不到任何東西。此外，一些買家與賣家的個人資訊在交易的過程中會洩漏。在這個論文，我們提出了一種達到個人隱私性與交易公平性之網路交易方法。該方法可使拍賣網站營運廠商的用戶在網路拍賣交易時，防止被詐騙，避免錢匯出去後收不到貨，達到交易公平性。該方法亦可讓用戶的個人資料保密，防止買賣雙方的個人資料為對方所知，進而利用雙方的隱私資訊。另外，該方法亦可單獨使用在欲達到個人資料保密的貨物運送系統。
In online transactions systems, many users take advantage of convenience in buying and selling goods. Although it is very popular and convenient, many frauds have occurred. For example, buyers being cheated into transfering their money to sellers without getting any goods. Also some personal information of buyers and sellers is leaked after transactions. In this paper we present web transaction methods which achieve fairness and privacy. The methods can effectively prevent fraud problems and achieve transaction fairness. It can also keep users' personal information secret to prevent the personal information of buyers and sellers from being known and used by each other. Our approach has many applications such as Internet auctions, online games, etc. On the other hand, the methods can also be used in shipping systems that want to achieve personal privacy.