中文摘要：

针对互联网租车场景中个人隐私保护问题，提出一种基于区块链的个人隐私保护机制。首先，针对互联网租车中暴露的个人隐私问题提出一个基于区块链的个人隐私保护解决方案框架；然后，通过参与者简介、数据库设计以及性能分析给出模型的设计和定义，并从授予权限、写入数据、读取数据和撤销权限等方面阐述该模型的框架和实现；最后，通过基于区块链的系统开发表明了该机制的可实现性。

英文摘要：

Aiming at the problem of personal privacy protection in Internet car rental scenario, a personal privacy protection mechanism based on blockchain was proposed. Firstly, a framework for personal privacy protection based on blockchain was proposed for solving personal privacy issues exposed in the Internet car rental. Secondly, the design and definition of the model were given by participant profile, database design and performance analysis, and the framework and implementation of the model were expounded from the aspects of granting authority, writing data, reading data and revoking authority. Finally, the realizability of the mechanism was proved by the system development based on blockchain.