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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。 2 h0 |: R. A( a0 ^
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。
2 a1 l5 T' a9 J1 H8 _! p( t: J$ y0 x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。 & B" n# h# ^$ V. m
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。
2 O4 i- ~0 I; }0 z* B这就是计划。
# a7 i8 C- f! b6 c3 L1 J恢复的步骤
) N3 n/ r( G4 f8 b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。
5 v/ L5 Y% w: a* N修正铆钉 # Y( V0 ?/ q* }+ N/ v7 @
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。 ' h1 [+ b% G# Y: ^( e
投票#7:定义最大兑换金额参数 . K: N8 ~9 b# |, T, G
· 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。 ) h( l, Y& U% L. W
· 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。 / ?! Y: T) A' l
· 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。
V+ X9 Q1 R r* I4 x! k解决流动性危机
/ \8 d) D: b$ u; x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。
9 F* t% G7 F: `) O0 B# p2 R6 s5 [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
( c! D- \* X; Q+ H) i· 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% 2 D6 z1 r3 a$ ~- C- d2 z
· 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。
; M0 q g; V$ x0 l4 b· 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。
$ ~. B% L H. h为 USDT 和 USDC 设置每日提款限额 8 E4 u3 _2 |5 U2 J9 k9 x& c
· 内容: |
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