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[20150601]左手区块链,右手物联网
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Topic: [20150601]左手区块链,右手物联网 (Read 543 times)
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[20150601]左手区块链,右手物联网
June 01, 2015, 04:34:08 AM
#1
比特币和物联网这两个看上去似乎毫不相关的术语,随着IBM&Samsung在15年2月份演示的ADEPT物联网解决方案DEMO后,硬是把比特币和物联网结合在一起了。
本文就简单剖析下比特币和物联网是否如何结合在一起的,以及它们的结合对未来物联网又有怎样的影响。
一、比特币
比特币(BitCoin)的概念最初由中本聪在2009年提出,根据中本聪的思路设计发布的开源软件以及建构其上的P2P网络。比特币是一种P2P形式的数字货币。点对点的传输意味着一个去中心化的支付系统。据查阅资料显示,中本聪认为传统的金融体系存在以下问题:
成本太大: 为了维持现有的货币发行机构以及金融和支付体系,需要投入大量的基础设施,比如:银行等机构的投入、金融机构的数据中心等等;
安全问题 :当前以货币发行机构组建的金融体系,其信用度以靠各国政府背书的,你无法控制货币的增发、资金的冻结以及交易的取消等机构行为。
因此, 一个去中心化,无需中心机构的金融体系就可以解决这个问题,所以比特币还存在经典的51%攻击问题,但它的出现,给了人们在不同行业无限遐想的空间。
二、物联网
物联网,“Internet of things(IoT)”。顾名思义,物联网就是物物相连的互联网。这有两层意思:其一,物联网的核心和基础仍然是互联网,是在互联网基础上的延伸和扩展的网络;其二,其用户端延伸和扩展到了任何物品与物品之间,进行信息交换和通信,也就是物物相息。
那么物联网有面临什么挑战呢?
物联中国报道,预计未来十年,物联网的设备将达到1000亿量级。对于如此庞大的网络,如果以中心化的组网模式,数据中心的基础设施投入、维护成本将无法估量;
在云计算尚未打消人们对数据安全的疑虑的,物联网的设备更加深入人们的生活隐私,比如:你家的电饭锅每天几点做饭、做几人份的、家里的热水器是几点开始工作的,这些数据如果都传输的管理中心节点,那么你的物联网方案又该如何应对呢?
三、综述
我们不难发现,比特币要解决的问题与物联网所面临的挑战是有契合点的,也正是这个原因,IBM&Sansung就提出了基于Blockchain的物联网解决方案。它们所要采用的最核心的思路便是“去中心化”,这有非常大的想象空间。
作者:运维派,若你对本文的分析观点有不同的看法,欢迎你留言和我们探讨。摘自:巴比特
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Once a transaction has 6 confirmations, it is extremely unlikely that an attacker without at least 50% of the network's computation power would be able to reverse it.
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Re: [20150601]左手区块链,右手物联网
June 01, 2015, 09:35:58 AM
#2
物联网真的会用上比特币吗?我很怀疑这一点。
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