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浅谈闪电网络的可行性
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Topic: 浅谈闪电网络的可行性 (Read 96 times)
RicardoMLu
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浅谈闪电网络的可行性
March 31, 2018, 06:29:44 AM
#1
最近闪电网络又成为了币圈讨论的热点,先是闪电网络0.4-beta版上线,也就是所谓的“公测版”,意味着这套软件基本上可以用了,虽然还有可能有些小 bug,但主要功能应该已经实现并经过严格测试,可以给公众使用了。随后又是闪电网络节点遭受分布式拒绝服务攻击(DDOS),导致大概约200个节点下线,节点量从1,050下降到870。也就是说闪电网络仅“公测”一周就遭到重创。
所谓DDOS攻击就是瞬间大量无效的访问进入,导致闪电网络瘫痪。举一个简单的例子,某家饭店最多可以承载50个人吃饭,有人雇佣了50个人来店里坐着不吃不喝,该饭店人数达到上限无法正常营业,这就是DDOS攻击成功的例子。
正常来说应对DDOS最好的办法就是提升闪电网络节点的容量,可以容纳更多的用户,也就是说饭店老板扩大了饭店规模,原来只能承载50个人,现在可以承载5000个人,那么即使有人雇了1000个人来捣乱,也不会影响饭店的正常营业,同时攻击者成本也大幅上升。
但这也形成了一个悖论,理论上闪电网络是一个去中心化的生态,而如果扩大节点规模自然形成了一个与众不同的超级节点,而且会越来越大,因为这个节点的规模越大交易的成本越低,也越安全。闪电网络鼓吹的去中心化荡然无存。
当用户把所有的币都放在闪电网络超级节点时,也就是说可能很长一段这些币都不会在主链内流通,脱离了主链的比特币,很大意义上已经是LN币了。
目前,闪电网络的节点数量相当有限,因为虽然该网络已经在主网上启动,但它主要是由开发人员使用,真实用户数量很少。对于闪电网络,用户的态度也是具有很大的分歧,不认同闪电网络的人占了很大的比例,也就是闪电网络短时间无法形成共识,短时间内闪电网络是无法形成网络规模效应的,必须要有人耗费巨量资金来推动,如最初的支付宝,如果没有阿里耗费巨资来全面铺盖,是不可能出现现在这种支付宝走遍全国的效应的。而在闪电网络没有全面铺盖之前,可以想象闪电网络只能是处于无人问津的状态,我用LN币购买你的商品,而你不承认LN币,只承认比特币,那么怎么办呢,我只能把LN币换成比特币,才能购买你的商品,长此以往闪电网络陷入死循环。
作为一项不成熟的技术,寄过多希望于闪电网络解决BCE区块拥堵的问题显然是不现实的,闪电网络目前需要完善的地方还有很多。闪电网络是一个好技术,但从闪电的技术特点来看,如果用闪电网络解决BCE区块拥堵的方案,其实已经失败了,Core无法解决或者说是根本就不想去解决闪电网络的中心化问题。比特币现金的大区块方案一直都是胜利者。
XHJ2018
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Re: 浅谈闪电网络的可行性
April 01, 2018, 04:41:03 AM
#2
闪电网络在节点互联的理想状态下,手续费和交易时长会被降低在人们普遍都能接受的范围内。闪电网络是未来数字货币发展的方向之一,应该给予耐心,理性看待。
但我并不认为闪电网络可以彻底解决BCE的区块拥堵问题,尽管一定程度是可以缓解拥堵,但仍无法解决海量低频次交易行为。比如说日常消费购物,仅发生一次性的交易行为,这时候闪电网络的优势就很难发挥出来。通过近期BCE的基础设施建设大量转移到BCH上就可以看出,商家似乎对于闪电网络并不认同。
对于未来,比特币现金良好的兼容性使得其自身对于新型技术并不排斥,对于闪电网络也是一样。闪电网络如果能在未来大放异彩,比特币现金或许也会部署侧链以适应时代的需求。
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