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比特币、以太坊面临的三个技术问题
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Topic: 比特币、以太坊面临的三个技术问题 (Read 91 times)
saitou1696
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比特币、以太坊面临的三个技术问题
January 04, 2018, 02:23:53 AM
#1
随着数字货币得到越来越多人的认可,交易数字货币也变得越来越普遍,但比特币、以太坊等主流数字货币的缺陷也越来越突出,在技术方面,主要有以下几个问题。
1、交易手续费是一个日益严重的问题
12个月前,比特币的交易手续费非常低,几乎可以忽略不计。该数字货币的支持者经常强调,这是其主要卖点之一。
而在今天,为了确保快速完成交易,交易费在高峰期通常可以超过200美元。就这一点而言,很明显,有些地方出了问题。
尽管另一种数字货币以太币(Ethereum)在交易费问题上处理得更好,但是他们的收费也随着比特币交易费的增长而增长,只是速度较慢。
因此,在费用持续上涨的时候,那些想要通过数字货币网络转账的人将会寻找替代品。例如,莱特币(Litecoin)和达世币(Dash)都在今年呈爆炸式的增长。这两种货币以低交易费而闻名。到去年12月为止,莱特币的交易费确实有所激增。然而相较于比特币,它们仍然更经济实惠。
由于其新型的网络设置,达世币的发展势头甚至比莱特币还要好。尽管该代币达到了历史最高价格1500美元甚至更高,但交易费仍然只需几分钱,而且交易达成往往是即时的。虽然莱特币和达世币都拥有庞大的市场价值,而且是不错的投资,但它们仍远不及比特币和以太币的品牌认知度和网络参与人数。
2、交易确认时间过长
在国外媒体福布斯(Forbes)开设的一个版块中,有关数字货币的第二点争议是交易确认时长问题。
按照今天的标准,比特币的区块运行时间过长,往往需要花费十分钟才能完成。较新的区块链和其他数字货币要么拥有更短的运行时间,要么使用的是完全不同的系统,比如依赖主节点或扩展性解决方案。
莱特币在部署的时候只花了2.5分钟,在当时是革命性的创举。虽然它的速度在今天仍然足够快,但还达不到即时的程度。数字货币想要继续发展,需要解决交易时长的问题。
由于比特币的网络收费结构竞争激烈,而且延迟时间相对较长,在过去几天,超过10万笔未经确认的交易致使网络频繁堵塞,有时甚至多达25万笔。
为了更好地理解这个问题,我们来做个类比。
想象一下一个小镇上有三家餐馆。其中一家拥有该城市里最好的食物,然而为了进入餐馆,你需要花费6小时排队等候。另外两家餐馆也都提供美味的食物,但也许没有繁忙的第一家餐馆那么有名。而另外两家餐馆只需要五分钟的等待时间,或者有时在高峰时段也根本无需等待。你会选择哪家餐馆?
虽然很多人仍会前往那家“最好的”餐厅——选择比特币,但也有许多人宁愿避开等待,前往其他两家餐厅——选择莱特币和达世币。
3、可扩展性是一个严重的问题
可扩展性是指区块链处理越来越多的交易和事务的能力。Nikolai Kuznetsov举出了CryptoKitties的例子,其几乎颠覆了整个以太坊网络。
为了回应关于可扩展性的问题,以太坊的联合创始人Vitalik Buterin有自己的处理计划。具体来说,他指的是一种被称为分区(sharding)的过程,他相信至少对以太坊而言这将是解决问题的最终方法。
在比特币方面,诸如闪电网络(Lightning Network)这样的第二层解决方案已经提出,但尚未部署。综上所述,这些问题确实会导致人们远离比特币和以太币。
然而,由于这些平台拥有如此多的资金和如此浓厚的兴趣,最终将会出现解决方案。竞争也是非常重要的,它是创新的一个极好的驱动因素,由于很多人支持技术更超前的、新兴的、令人振奋的区块链,多币种系统将会蓬勃发展。
作者:Robert DeVoe
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Re: 比特币、以太坊面临的三个技术问题
January 04, 2018, 03:38:22 AM
#2
一旦解决了这些问题,就是大爆发的时候到了
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