Abstract: At present, the users of "Internet plus government services" in China are becoming more and more. In order to realize smart government services, reduce government management costs and enhance people's sense of happiness, this paper constructs a single sign on E-government identity management system based on blockchain, which selects China's intellectual property right cryptosystem, and forms a digital identity technology system and management operation system combining centralized authentication management and decentralized service. The system can continuously improve the user experience, provide convenient and efficient services for users, and enhance the public's sense of acquisition and satisfaction.

Key words: e-government, blockchain, independent intellectual property right, cryptosystem, single sign on, identity authentication

摘要： 目前我国“互联网+政务服务”用户越来越多。为实现智慧政务服务，降低政府管理成本，提升人民群众幸福感，构建基于区块链的单点登录电子政务身份管理系统，选用我国自主知识产权密码体制，形成中心化认证管理和去中心化服务相结合的数字身份技术系统和管理运营体系。不断提高用户体验，为用户提供方便高效的服务，增强社会公众的获得感、满意度。

关键词: 电子政务, 区块链, 自主知识产权, 密码体制, 单点登录, 身份认证