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世界顶级物理学家的一堂区块链课
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Topic: 世界顶级物理学家的一堂区块链课 (Read 89 times)
saiacc1696
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世界顶级物理学家的一堂区块链课
January 23, 2018, 01:56:26 PM
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文中部分观点来自著名物理学家张首晟以及元界CTO陈浩。
昨天,美国科学院院士、中国海外院士、杨振宁先生的弟子、“天使粒子”的发现人,著名物理学家张首晟的一篇关于区块链的演讲在我的朋友圈火了(点击文末“阅读原文”查看演讲内容)深入研究,下面小编就来为大家剖析一下张教授这篇演讲的几个关键概念。
首先看张教授提出的一个专业物理学概念——熵。你可能说了,这不就是元界的代币嘛,英文是Entropy,简称是ETP。不过我们今天要说的不是元界的代币熵,而是物理学中“熵“这个概念。这个概念是1984年克劳修斯提出,以符号“S”表示,物理热力学中表示状态的一个参量,定义为体系中混乱程度的一个度量。
直接看定义大家可能有点懵,举个例子方便大家理解:幼儿园老师拿了一盒玻璃球给小朋友们玩,小朋友围着桌子做好,老师把球倒在桌子上,玻璃球无规则的滚动。小朋友们根据远近位置把玻璃球都拿走去玩了,玩好之后老师把小朋友的玻璃球全部收回来。但是如果老师是在一个市场里,周围是各种各样的人,人数不一定,除非每个人都很自觉不把玻璃球带走,不然老师就没办法收回全部的玻璃球了。在上面的例子中,在幼儿园班级里,小朋友数量固定而且听话,熵就很小,对应的系统混乱度也小,而一旦到了集市中,每个人的状况都不确定,熵就相应大,系统混乱程度就大。
在演讲中,张教授引入熵的概念为大家解释了区块链共识的意义。在我们看来,区块链最核心的要素有三:数据、数据认证和共识模型。对于刚接触区块链或者比特币的人来说,对共识模型的认识可能会局限在挖矿这些概念中,我们将其抽象一下,和熵的概念相结合,就可以将共识模型定义为:泛指任何将无序的混乱数据变成可信任的共享数据(账本)的过程。
就如张教授所说:“达到共识就是要把熵减少。”元界将自己的代币命名为熵,正是通过“熵减”的物理学意义——趋向有序——隐喻在元界中代币的价值在于“给予”和“流动”,这样系统才能趋向有序。通过共识的达成,区块链系统的熵减弱,并在人与人之间形成信任,并形成了区块链构建价值互联网的基础。
何又谓价值互联网呢?张教授是这样说的:“价值是一个很难交换的东西。互联网第一波只是信息交换,但到了第二波希望能价值交换。”在元界的第一版白皮书中,我们就强调过价值交换网络的概念,并将其写入元界的最终目标,即:通过配备智能合约和我们的数字身份,将一个一个的价值孤岛连接成价值互联网络,建成一个开放的数字价值流转生态。当前的互联网是一个不完整的信息互联网,而区块链技术所支持的点对点、智能、可审计交易为自由、快速、高效、低成本的价值交换提供了可能,我们相信它将为全人类提供一个全新的、完全不同的发展平台,推动人类在未来25年中的进步。
张教授从物理学的角度出发,深入浅出地阐释了区块链技术的重大意义,他在演讲中多个概念和元界不谋而合,让我们感到欣喜。如今,我们共同面临着区块链和去中心化技术给这个时代带来的新变革,作为拥抱这场变革的排头兵,元界希望能贡献自己的全部力量,专注于区块链的技术进步和行业发展,推动新世纪的加速到来。
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世界顶级物理学家的一堂区块链课
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