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该文是恢复Waves协议完整生态和全部功能的总体计划。
: g5 f+ t6 q: }2022年 4月2日,Neutrino协议稳定币 — USDN与美元脱钩。这是由于在Curve Finance的USDN流动性池中出现大量代币出售。与美元脱钩本身就很不幸,但我们看到问题继续出现。后续,基于Waves的贷款协议 Vires Finance 陷入了流动性危机,即“银行挤兑”—提供流动性的用户出于担心急忙从协议中撤出了自己的头寸。
; N3 k, p K" J9 T这两个问题今天仍然存在。就Neutrino而言,USDN几乎已经回铆—恢复了两次。由于 2022 年 5月10日左右的 LUNA/UST 危机,第二次大规模脱钩发生。在撰写本文时,USDN为0.97美元。在Vires的情况中,用户提款受到限制,因为大部分存入的资金都已被借出。几个非常大的借款人阻止了存款人提取资金,贷款方必须还款,存款人才能撤出流动性。
& Q/ A( k# t: s$ V9 L; O本文将展示 Waves DeFi 协议已经采取的用来解决这种情况的措施,以及它们为何如此重要。不过,社区的大多数用户一直在等待一个完整的总体规划:即我们下一步将做什么以及我们如何看待解决问题的方法。
8 w K" f5 B; R1 R这就是计划。 / d' V7 R% F T# [# U! C+ s
恢复的步骤
8 V8 t3 C' Q7 Z) y! j* P银行挤兑情况导致协议彻底崩溃,纠正它不是一件容易的事。然而,有两件事帮助我们度过了这场风暴。首先,Neutrino和 Vires Finance 团队立即采取行动寻找并提出解决方案。其次,Waves社区成员对这些提案的理解和快速投票。 : Q- w' q }% [7 E; c, x( t9 j4 z
修正铆钉 9 l' C4 G2 j& s
首先要解决的问题是脱钩。如果没有价值1美元的稳定币,后续计划将无法实施。 8 u8 u* J$ B+ _! i
投票#7:定义最大兑换金额参数 0 K+ D3 e; q9 L7 R' @
· 这做了什么:更改了兑换参数,使USDN更容易通过套利恢复锚定。更改了之后,用户可以以更少的NSBT来将1美元的WAVES兑换成USDN。 * _' a0 I, L$ M7 y. M, t
· 原因:以前,用户需要大量NSBT(Neutrino治理代币)才能直接与智能合约交互,并以硬编码的1美元汇率将USDN换成 WAVES。这限制了可以参与套利的用户数量(以脱钩价值在Curve池中购买USDN,然后以硬编码的1美元汇率将其卖给智能合约)。通过更改这些参数,需要的NSBT更少,因此,更多的用户可以参与到USDN回锚的过程中来。
7 G. e x1 E. ~3 z. p0 @* o· 结果:这效果很好,大量用户从Curve池中购买了大量的金额,并且为用户提供了数百万美金的套利收入,使USDN在过去两个月中两次恢复锚定。 9 r: a$ F9 u: s4 T! o4 l+ `
解决流动性危机 5 T- S+ Z, }( b; V" B6 n: M3 |8 n- }/ y8 F
第二个问题是在社区信心受到严重影响的情况下,如何将足够的流动性带回Vires Finance。如何在避免同样情况发生的前提下做到这一点?当前,只要新的流动性存入,就会被瞬间提取出来,这意味着速度最快的用户—通常是机器人—可以收回自己的存款,但大部分用户仍然无法提取存款。 ) V3 w% p- R1 M' D& b
将 WAVES/USDN/EURN 清算阈值设置为 1,所有资产的 最大借款APR设置为400
! H0 O6 z+ n/ g! O· 它意味着什么:所有借款人必须归还 99.98%的贷款以避免清算头寸。用户需要支付的贷款利率从原来的80%降低到40%
O# k T( }( o( }2 Q· 原因:这是对社区愤怒以及发现存在价格操纵的证据的反映。几个大户口借了大部分存款。我们意识到,如果这些借款被清算,问题将被迅速解决,因为它们的抵押品可恢复存款人需要的流动性。 ) R# |' O B- i
· 结果:该提案被社区拒绝,因为用户希望保留自由市场原则,且认为提案过于严苛。 ; v5 u* W- Y4 A1 _
为 USDT 和 USDC 设置每日提款限额
5 p* h2 k1 C* c; W7 X· 内容: |
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