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Libra2.0白皮书2020年4月最新发布！共29页 This updated white paper outlines the significant work we have done on the design of the Libra payment system since June 2019. Four key changes have been made to address regulatory concerns that deserve specific attention, each of which is addressed briefly below and then in more depth in the updated white paper: 1. Offering single-currency stablecoins in addition to the multi-currency coin. 2. Enhancing the safety of the Libra payment system with a robust compliance framework. 3. Forgoing the future transition to a permissionless system while maintaining its key economic properties. 4. Building strong protections into the design of the Libra Reserve.

本文系教育部学校规划建设发展中心未来学校实验研究重大课题“基于‘博雅云课堂’的‘双螺旋交互’智慧学习模型的研究”成果

当前线上教学十分受欢迎，大学课堂的教学设计旨在帮助老师们如何做好网络教学的准备，如何讲好一节生动而有意义的网课！ 资源内容主要包括了：教学目标、策略、媒体、过程、评价的设计

对区块链2.0中以太坊的白皮书进行翻译，帮助读者了解以太坊的概念