团结AAVE挑战大空头?又热起来的老DeFi CRV 近日"惊险"复盘

白话区块链Publicado em 2022-11-29Última atualização em 2022-11-29

Resumo

最近圈内最火的项目,恐怕莫属Crv了!

最近圈内最火的项目,恐怕莫属Crv了!

老Defi项目怎么又火了呢?原因有二:一是发生了一起大空头事件,二是Crv发布了crvUSD的白皮书。

两件事都绝对值得念叨一下。

01

Crv大空头事件

链上有个"Crv大空头"前几天进行了如下操作,简单的复个盘:

11月13号先是扔了3900万美元进AAVE 做抵押资产;

14号开始借入Crv,20号之前一共借了1700万个Crv;

14号到20号之间在不同的Dex与CEX(Sushiswap,1inch,OKX)等等大量抛售借来的Crv,换成了USDC,转头又存进了AAVE;

你可以看到Crv的价格14号开始从0.62缓缓往0.53下滑,就是这厮干的!

22号,他又借了好几千万个Crv(看着好吓人……),开始往OKX充值,疑似又要砸一波大的,22号下午Crv的价格也低到了0.4这个价位,几天直接跌掉了1/3的市值;

同一天,散户和钻石手们开始了价格保卫战+狙击大空头的操作,毕竟Crv这东西,无论是现金流的收入还是Curve War的贿选,0.4的价格你都买不了吃亏,买不了上当,如果把这个大空头给爆了就更大快人心了!(大空头的爆仓价在0.63左右);

同一天,Curve创始人下场,往AAVE补了2000万颗Crv,以确保自己的仓位不会被清算(他的清算价格据说在0.25左右);

还是同一天,Crv的稳定币CrvUSD白皮书发布,算是个不错的利好消息。

于是乎,在散户+钻石手的买买买+Crv创始人的亲自下场+稳定币白皮书的发布三重利好刺激下,Crv价格从0.4直接起飞飙到了0.74,大空头的仓位"惨遭清算"。

02

清算之后的盘点

首先为什么会清算?因为他存了稳定币,借出的是Crv,当Crv价格不断上涨之后,AAVE需要确保协议能买回足够的Crv,当价格涨到一定的时候,协议便会启动清算程序,不断使用稳定币来购买Crv,这个行为本身也会进一步刺激Crv价格的增长。

清算之后各方的收益情况如何呢?

大空头

Aave上面超过一半的Crv都被他借走了,前前后后总共抵押6000多万美元,借入了9000万个Crv,最终他的6000多万美元抵押品被清算买回来8000多万个Crv。

清算人

11月22日那天总共有21名清算人发起了300 多笔交易来清算这个大空头,最牛的一个清算人获得了2310万美元的USDC,还了2240万Crv的债务,净赚70万美元利润(要不怎么说有时候清算也是个香饽饽的活呢,就是门槛不低),当然,也有清算人没挣钱还亏了大几千,还有清算人清算的时候被夹子给夹了(套利机器人抢先套利,利润被机器人所得)……

AAVE

产生了坏账,因为被借出了9000万的Crv,拿抵押的USDC清算只买回来8000多万个Crv,最终有200多万个Crv的亏空,差不多160万美金,这部分只能靠AAVE当前设计 - 即出售协议所拥有的AAVE Token以弥补资金缺口。

03

几点疑惑

大空头亏钱了么?

虽说看似他是亏的,毕竟他大几千万的资金被清算,相当于平均买入价格在0.6-0.7左右,而他Crv砸盘的价格则是在0.6-0.4左右,算下来至少亏了1000多万美元。

但是!他转去OKX的几千万的Crv貌似是要砸盘,但从OKX 22号的交易量来看,貌似并没有卖出很多,这人手里(OKX账户里)很有可能还攥着几千万个Crv没动,不管是现在0.7价格慢慢卖出,还是吃Crv的贿选,貌似都亏不了太多。

他有可能提前在OKX布好了空单,边砸盘边通过空单盈利,甚至后面大家开始狙击他要清算他的时候,转手做多二次盈利也不是不可能……

还有个阴谋论是,这次"做空事件"其实针对的反而是AAVE?毕竟短短几天几千万的资金就给AAVE留下了160万美元的坏账。大空头本人也是之前搞坏Solana上面Mango协议的那位"本尊",可能就是喜欢找漏洞来搞坏Defi协议顺道赚钱?当然纯属阴谋论,听听完事~

说完了Crv的做空事件,再来简单看看Crv新出的CrvUSD白皮书,还是有点意思。

04

CrvUSD:算稳重现?

这个CrvUSD是什么呢?直观上没什么特别的,基本上大家都是仿照MakerDAO与DAI的模式,超额抵押一些流动性好的主流资产,然后铸造出来自己的稳定币,MakerDAO原先是ETH超额抵押,现在加入了很多的USDC,Atom那边也有各种抵押Atom铸造稳定币之类的"仿盘"。

那么稳定币CrvUSD有啥特别的么?

还真有两个点,而且你会发现,这两个"创新点",可能还真就适合Curve来干,其他家不太好弄。

第一个是他们主打的Lending-Liquidating AMM(LLAMMA)- 借代流动性AMM。

这个主要针对的就是清算。你看上面那个Crv的大空头,发生清算时那叫一个惨烈,几千万的资金,想要清算流动性都有点吃紧。然后一通清算下来,最后还是没买回来当初借的数量,Crv的价格也是受清算影响忽上忽下的

究其本质,还是因为清算是个"红线触发"机制,一到那个价位,直接引爆,过于刚猛。

所以CrvUSD把Uniswap V3那套玩法给搬了过来,弄成了一个类似"网格清算"的Style,在一个价格区间内,当抵押物价格下跌的时候,它会慢慢帮你卖成CrvUSD,跟传统的AAVE,MakerDAO这种清算机制相比,你会发现Curve这个,几乎不存在坏账或者用户因为清算而导致大额损失的问题,因为跌倒传统清算线的时候,系统早就帮你一路卖,一路全都换成稳定币了。

不过既然是"网格"或者说"AMM"清算,肯定就不会只有卖出没有买入,你的抵押品价格下跌,系统自己帮你卖,如果跌了一段时间又涨了呢? 系统完全跟网格或者AMM有一样,再帮你买回来呗!不过有人提出一个风险,那就是这个先下跌再买回的操作,因为跟在预言机价格后面跑,所以是有滞后性的,当价格变化比较快速剧烈时,用户买回的价格有可能会比市价高,导致一定程度的无常损失。这个么……等产品真的上了之后,实操一下就知道这个理论是不是正确了。

第二个是稳定机制 - 算稳Style重现??

你乍一看CrvUSD那个稳定机制,会惊呼,我去,BAS回来了??

因为当CrvUSD>1美元的时候,协议是会"自动印钱",mint出更多的CrvUSD到池子里,把价格压回1美元的。

是不是当年算法稳定币既视感??但人家真的不是,因为每一个CrvUSD是有超额抵押的,所以虽然有自动印钱这个步骤,自动印出来的也不完全是空气,只是帮助市场"纠正"稳定币价格的作用。

等到CrvUSD<1美元的时候,mint退场,Burn上场,直接烧掉一些CrvUSD,帮助价格冲回一美元。

所以一个Mint,一个Burn,一个凭空印钱,一个凭空烧钱,上下都有手段帮助CrvUSD"回锚",反正每个CrvUSD有真金白银的超额抵押,算稳时代的死亡螺旋之类不可能在这里出现。

再者,Curve本身就是专业做稳定币兑换的,也有着最为深厚的稳定币兑换池,甚至可以说掌握了稳定币的定价权,配合上这个稳定机制的加成,可以说CrvUSD想要大幅度脱锚,实在是"难上加难"。

DAI因为USDC的介入,已经不再纯粹,或许,CrvUSD会是一个更好的"加密原生稳定币"?朋友们,你怎么看呢?

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