BDTS: Blockchain-based Data Trading System

• URL: http://arxiv.org/abs/2211.10001v2
• Date: Tue, 31 Oct 2023 17:13:43 GMT
• Title: BDTS: Blockchain-based Data Trading System
• Authors: Erya Jiang, Bo Qin, Qin Wang, Qianhong Wu, Sanxi Li, Wenchang Shi, Yingxin Bi, Wenyi Tang
• Abstract summary: BDTS implements a fair-exchange protocol in which benign behaviors can get rewarded while dishonest behaviors will be punished. We analyze the strategies of consumers, sellers, and dealers in the trading game and point out that everyone should be honest about their interests.
• Score: 7.344424862345025
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Trading data through blockchain platforms is hard to achieve \textit{fair exchange}. Reasons come from two folds: Firstly, guaranteeing fairness between sellers and consumers is a challenging task as the deception of any participating parties is risk-free. This leads to the second issue where judging the behavior of data executors (such as cloud service providers) among distrustful parties is impractical in the context of traditional trading protocols. To fill the gaps, in this paper, we present a \underline{b}lockchain-based \underline{d}ata \underline{t}rading \underline{s}ystem, named BDTS. BDTS implements a fair-exchange protocol in which benign behaviors can get rewarded while dishonest behaviors will be punished. Our scheme requires the seller to provide consumers with the correct encryption keys for proper execution and encourage a rational data executor to behave faithfully for maximum benefits from rewards. We analyze the strategies of consumers, sellers, and dealers in the trading game and point out that everyone should be honest about their interests so that the game will reach Nash equilibrium. Evaluations prove efficiency and practicability.

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