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[虚拟币交流]
从Blobs空间使用率看以太坊layer2的发展困局(转)
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最近, FUD以太坊和 @VitalikButerin 的声音又愈发浓烈了。尤其是围绕Blobs空间使用率和Layer2收益等内容,海外KOL有非常精彩的讨论。撇开二级市场行情的情绪裹挟,单纯透过数据来看以太坊layer2战略该如何评价呢?接下来,表达下我的看法: 把时间退回以太坊坎昆升级前,大家对RaaS和DA War都充满热情,因为一键发链下的layer2雨后春笋般涌现,会直接带动layer2 Batch交易对以太坊主网DA能力的需求,继而掀起Blobs空间争夺价格战,然后大量ETH在layer2 War中被销毁,以太坊从通胀转为通缩,带动以太坊价格上涨,皆大欢喜。 然而事实是,Rollup as a Service的宏大战略叙事在坎昆升级后就熄火了,一键发链的基础infra能力具备了,但却没预期那么多开发者发链竞争。 1)Blobs的空间利用率还不够饱和,据统计也就80%的利用率,layer2可以优化blob使用率,主动选择是否在当前区块占用blob,比如,监测当前区块Blob利用情况,如果利用率过高,就直接跳转到下一个区块。这直接使得blob的费率市场没办法FOMO起来。 2)Blobs的使用费率及Layer2项目方的DA成本目前只占其总收入的0.3%,据不完全统计layer2项目的一天的收入约在50万美元,而Blobs空间使用费率成本只占0.3%,远远未到使用率饱和的程度。尽管layer2项目有其他Sequencer服务器,Prover验证协作等其他软硬件成本,但看得到的DA成本并不高。 这一方面说明坎昆升级后,以太坊在降费率这件事上做的很成功,但另一方面,则说明以太坊layer2现在的用户量、交易量等现状根本无法给layer1输送价值,何况乐观下的“通缩预期呢? 在我看来,短期透过数据分析,以太坊Rollup-centric的战略还算成功,毕竟DA成本下滑了,layer2项目方可以负担很小的做大链的生态,且用户使用layer2的Gas费也降到了无感知区间(0.001-0.01美元)。 一大部分用户会以layer2作为高频交易链。能让layer2顶在以太坊前面,成为费率低、体验好、TPS大的首选,不就是以太坊Rollup战略的第一步目标吗?因此,短期看,以太坊layer2战略毋庸置疑都是成功的。 长期来看,当layer2上的交易量指数级放大,Blobs的空间使用率高度饱和,会发生哪些变化呢? DA费率成本会增加,尽管从现在的0.3%往上涨空间也有限,但如DA成本占比超过50%以上后,一大部分layer2项目就会主动退出以太坊Blobs空间抢夺战,像Celestia等第三方DA供应方的需求热度才会放大。而且一部分layer2项目会直接转型做layer3,甚至Validium等,会让以太坊Rollup生态变得更加多元丰富; 问题来了,原来以太坊layer2上堆叠的叙事和热度不能持续,就因为以太坊坎昆升级过于成功了? 嗯,没错。 Blobs空间使用率不饱和,Blobs费率动态市场不被激活,所有的矛盾点都到了layer2亟待增长的用户和生态规模上了,而要命的是,现在头部的layer2日活和收益对于一个项目而言并不算太差。 所以,你明白以太坊layer2的困局在哪里了吗? |
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