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美国伊利诺伊大学研究者重构比特币网络,提出匿名加密货币DANDELION
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Topic: 美国伊利诺伊大学研究者重构比特币网络,提出匿名加密货币DANDELION (Read 268 times)
haroldyyy
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美国伊利诺伊大学研究者重构比特币网络,提出匿名加密货币DANDELION
January 26, 2017, 06:14:21 AM
#1
三位来自美国伊利诺伊大学的研究者联合发起了一个名为Dandelion(蒲公英)的项目。Dandelion是对比特币网络的重构,旨在实现匿名性和绝对的财政自由。
在过去的几个月时间里,包括门罗币(Monero)首席开发者Riccardo Spagni(@fluffypony)在内的多位专家发起了多场讨论,旨在说明财政自由的重要性。在比特币交易所Coinbase主办的某场活动中,Spagni列举了几个令人信服的理由,说明了金融隐私对比特币用户的重要性。
金融隐私对每个比特币或其它加密货币用户来说都是十分重要的。举个例子,只要选择合适的解密软件,犯罪分子就能轻易在比特币公链中定位持有大量BTC的用户。Spagni解释道,区块链的透明性很可能将富人暴露在阳光下,成为犯罪分子的目标。
另外,收入状况可能会被泄露,消费习惯会被卖给广告商,私营企业的利润空间和收入可以被掩盖,一些见不得人的交易也可能被公之于众。未来,个人收入或薪资的泄露很可能成为一个严重的问题,最终将导致某些高管或员工受尽谴责和批评。
总之,考虑到上述情况,就算大多数人都不承认或者没有意识到自己对财政自由的需求,金融隐私对这个世界上的所有人来说都是十分必要的。
目前,比特币网络并不是完全匿名的。尽管主流媒体总是把比特币交易和暗网(Dark Web)的交易活动联系在一起,但比特币本质上的确不存在匿名性。比特币网络建立在公链的基础上,可以用来解析用户的交易历史,定位非法活动和经营模式。
为了给比特币用户提供隐私解决方案,Bitcoin Core开发团队和其他不知名的社区成员推出了例如Mimblewimble和TumbleBit的第二层解决方案,这些方案能通过混合交易和消除交易历史的方式为用户提供较高等级的隐私。
每笔比特币交易都会包含所有过去的交易数据及信息,因此,对某笔交易的解析很可能牵引出与之有联系的其它交易。而混合交易输入和输出、消除交易历史的功能有助于实现用户隐私的最大化,对财政自由有利。
从本质上来说,伊利诺伊大学的研究者计划推出一种类似比特币的加密货币,但这种货币能够保证用户的匿名性。就像Zcash和门罗币一样,Dandelion的目标是对攻击者隐藏交易数据,不过它采取的方法略有不同。
研究报告中指出,Dandelion会在一张图表中混合不同用户的信息或输出。通过一种独特的混合技术,Dandelion不允许任何第三方查看某笔交易的具体数量或金额。
在名为《Dandelion:用匿名性重构比特币网络》的研究报告中(币文库全文下载),研究者写道:
在目前的P2P网络中,交易内容是以一种结构化的方式进行推送的,而观察者可以通过这种方式对用户信息进行去匿名化处理。在这个项目中,我们对P2P网络进行了重构,以提供稳定的、可查证的匿名性为首要原则。我们提出了一个简单的网络政策,名为Dandelion。Dandelion能保证在对网络功能消耗最低的前提下,实现最佳的匿名性。同时,我们还提供了Dandelion的实际部署方案。
目前尚未有任何密码学家或开发者对Dandelion进行研究或试验。但Dandelion的提出的确触发了一些潜在的后续研究,比如说匿名性和区块链网络延时之间的取舍。Dandelion还未经过任何同行审核过程,因此其短期或长期发展路线仍然没有落地。
gornicky
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Re: 美国伊利诺伊大学研究者重构比特币网络,提出匿名加密货币DANDELION
January 26, 2017, 08:03:49 AM
#2
性能上添加的并不多,论功能btc足矣
kenboy
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Re: 美国伊利诺伊大学研究者重构比特币网络,提出匿名加密货币DANDELION
January 28, 2017, 05:56:48 AM
#3
现在匿名的挺多的啊
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美国伊利诺伊大学研究者重构比特币网络,提出匿名加密货币DANDELION
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