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区块链技术如此有前景,国内有哪些专门做这方面应用的公司?

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d葆华治4 发表于 2018-5-12 20:02:30 | 显示全部楼层 |阅读模式
区块链技术如此有前景,国内有哪些专门做这方面应用的公司?
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噶仁念 发表于 2018-5-12 20:02:30 | 显示全部楼层
#1 概况与介绍 -------------------------------不是不关注,是解决方案还没那么成熟,有前景就是说还没完全挖掘透(像高并发网络的成熟解决方案就是被挖得透透的了)。
区块链分公有链(public chains) 和 广义的私有链(private chains)。公有链:是指世界上任何个体或者机构都可以发送交易,且交易能够获得该区块链的有效确认,任何人都可参与其共识过程,记账权完全由公开的共识算法决定,即整个网络是开放的。
广义的私有链又分联盟链(consortium chains)完全私有链(private chains)。 联盟链:顾名思义,一般是指由少数的机构组成联盟节点,联盟之间是有价值传输的,属于协作关系但同时又不能完全信任,典型的场景有跨境支付,票据市场,场外市场等等。一般由PBFT一致性算法改造的共识算法,节点数不会太多,同时要求出块速度快,并且所有节点是需要准入的,也就是通过许可才能访问该联盟链(我们也称联盟链为许可链)。完全私有链:仅仅使用区块链的分布式账本技术进行记账,与其他的分布式存储方案没有太大区别(讲真,如果不是政治任务,别想用区块链替代数据库,吃力不讨好)
目前金融机构/行业巨头都是想实验广义私有链居多,当然以联盟链为主。少数不懂的机构,出于政治任务的目的搞不清楚是私链还是联盟链的也有。
无论什么类型的区块链,必须包含以下几个核心:1. 使用何种共识机制(consensus process ) ?目前公有链采用的共识算法以POW居多,也就常听说的挖矿,这并不是一个特别满意的方案,所以我们又有了POS(权益性证明)的方案,往后我们还有改进版的如DPOS方案,而POS&DPOS还并没有经历工业化的考验,尚待验证。
2. 基础账本账户模型是如何设计的?目前有两种模型:a. 以比特币为代表的 UTXO 账户模型,同时也是基础账本的基础模型。b. 以以太坊为代表的 Balance 账户模型,balance的变化取决于合约状态的变迁以及数据写入。
3. 代币分发的经济模型是如何设计的?比特币是最简单的出块奖励线性递减的设计。这里主要涉及的问题是如何将代币公平的分发的问题。
4. 如果是联盟链,如果保证节点之间的博弈是帕雷托最优且演化稳定的?联盟链节点之间是有很多数据共享的,但肯定存在着大量不愿意共享真实数据或者全部数据的节点。那么如何保证在多数自私节点的情况下,使联盟链不名存实亡呢?
区块链的发展可以类比互联网的发展,有朝一日会在internet上形成一个比如叫做finance-internet的东西,而这个东西就是基于区块链,它的前驱就是bitcoin,传统金融从私有链/联盟链出发(局域网),bitcoin 系列从公有链(广域网)出发,都在往同一种概念上收敛——基于数字资产(Digital Asset)的智能化金融世界。
#2 国内创业公司及其应用
------------------------
2016.11更新:
>>北京

>>上海

>>杭州

融资概览

除去VC融资,公有区块链项目基本上走的是ICO(众筹)模式,上表没有包含。
具体情况我们可以在国内为数不多的区块链众筹平台如 ICO - 币众筹 - 区块链众筹平台 上查询。
典型的有:

  • 维优-元界Metaverse
  • 邻萌宝
  • 小蚁项目 antshares
  • 智能坊

大型机构之间的联盟链相对于普通老百姓是很虚无缥缈的,笔者后续会重点介绍国内三大公有链项目:元界Metaverse、量子链Qtum、小蚁Antshares,未来可能会深刻地影响每位的生活。PS:所有公链项目均是上海地区的项目哦。
#3 政府机构与金融机构 -----------------------------------政府事业单位、国企、大型金融机构都对区块链很感兴趣,确切的说是广义私链技术。联盟链的应用场景还在继续挖掘当中,至少连央行都有动作:中国人民银行数字货币研讨会在京召开 中国人民银行准备发行自己的数字货币会是什么?这对比特币来说意味着什么? - 货币经济学 央行招聘数字货币研发人员(喏,风向标已经在这了,你们看着办 ^_^)
据我所知的,上交所、外汇交易所、很多机构已经跃跃欲试了,并且国内有很多家金融机构如:平安银行、民生银行、外汇中心已经加入R3分布式账本联盟。

以上,如有纰漏,还请指正。
------------------------- 附 ------------------------------
区块链知识可以参考:
区块链(Blockchain)深入介绍
区块链的联盟链开源项目介绍
《中国区块链发展现状数据总览》
https://zhuanlan.zhihu.com/p/23705416?refer=blockchains

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丰齐玷 发表于 2018-5-12 20:02:30 | 显示全部楼层
我是小蚁区块链的CEO。据我所知,我们是中国第一个区块链项目,也是国内第一个原创区块链底层协议。小蚁的想法形成于2013年底,团队成立于2014年初。

小蚁是用来发行、管理、交易各种权益份额的区块链协议。初期会以非上市公司的股权作为切入点。为初创公司提供数字化股权激励方案,为股权众筹公司提供股权股权管理方案,未来会过渡到股权的可交易,即“区块链IPO”,逐步模糊非上市公司和上市公司的界线。

2015年10月底,我们完成了一次产品众筹,分配了15%多的产品权益,募得了465万人民币。

小蚁在GitHub实时开源,其底层架构可以非常简单的移植成私有链,因此我们同时也提供私有链定制的服务。

GitHub:AntShares/AntShares · GitHub
小蚁官网:https://www.antshares.com/

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