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全面解析零知识证明:消解扩容难题 重新定义「隐私安全」
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作为互联网世界的最小单元,人们为了获得互联网带来的便利,在参与线上生活、工作、交易的过程中不得不出让自己的隐私数据:必须在网站上输入信用卡号码,必须向房屋中介提供自己的银行信用记录,必须向银行提供身份证信息。除了个人,公司和机构也必须一直相互披露敏感信息才能开展业务。分享信息并接受其不安全感似乎被公认为社会运转过程中的必要牺牲。 零知识证明(zero-knowledge proof,本文中我们将之简称为 ZKP)的提出正是为了解决这样的困境。ZKP 本质上是让人们可以在不泄漏任何自己隐私信息的情况下,进行自我身份、权益的认证。 ZKP 目前的最佳实践在区块链领域。可扩展性问题一直是以太坊面临的最大困境之一,以 ZKP 为基础的 zk Rollup 技术被包括 Vitalik 在内的加密领袖一致看好的扩容路线,zk Rollup 在基于继承以太坊安全性的前提下,创建了更加高吞吐量、低费用的二层网络(Layer2)。ZKP 也因此备受关注。 尽管目前 ZKP 在现阶段更多地和区块链联系在一起,但它的应用场景不止于此。ZKP 以其独有的隐私性、准确性及可验证性,还将带来云计算、金融、线上投票、机器学习等多个领域的应用和创新。 我们相信 ZKP 是一项对未来商业非常重要的技术理论。如同所有带来科技领域变革的每一项革命性技术一样,在带来颠覆性改变之前,这些新兴技术在其早期总是经历狂热的炒作与泡沫的破裂。我们必须对其抱有审慎而乐观的态度,通过对其原理的把握,从而更好地应对周期的嬗变。 零知识证明是一个复杂的密码学概念。我们希望以一种浅显易懂的方式进行行业科普,让更多人理解零知识证明,这也是「海外独角兽」一直以来致力于促进“认知平权”的努力之一。 以下为本文目录,建议结合要点进行针对性阅读。 |
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