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[lastpost] => 2768567 Ripple 和 Securitize 将 RLUSD 引入贝莱德和 VanEck 代币化基金(转) 1758704152 小钱儿
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案例:Basis 抵押率:0
抵押品:無抵押
掛鉤貨幣:美元
這種類型的穩定幣系統由一種稱為 Basis 的穩定幣(以前稱為 Basecoin)普及,其經濟系統由三種加密貨幣組成: Basis:穩定幣
Basis bond:債券
Basis Shares:股份
Basis 是與美元以 1:1 匯率掛鉤的穩定幣,Basis Shares 是治理代幣。 當 Basis 的價格跌落到 1 美元以下時,股份持有人燒掉 Basis 以換取 bond,當 Basis 的價格回升至 1 美元時,以 1:1 的比率贖回 Basis。 舉個例子。如果 Basis 初始價格是 1 美元,對 Basis 的需求如果下降 20%,則其價格將降至 0.8 美元。基於貨幣數量論的公式計算 Basis 債券的數量,如下所示: demand_before = $1.00 * X (X = 100 ie the amount of Basis currently in circulation)
demand_after = $0.80* Y (Y = the target amount of Basis)
demand_before = demand_after
$1.00*100 = $0.80*Y, 100 = 0.80*Y
Therefore Y = 100/0.80 ie Y = 125
Where the change in Y represents a change in magnitude of 25 or 25 more bonds
用戶可以在將 Basis 兌換為 25 種新鑄造的債券中的任何一種,之後燃燒掉 Basis,以限制 Basis 在短期內的供應,從而將 Basis 價格拉回至 1 美元。相反,當 Basis 的價格升至 1 美元以上時,將繼續鑄造並向股份持有人發送新的 Basis 穩定幣,直到產生足夠的賣壓將 Basis 的價格降至 1 美元為止。 債券就像是期權和期貨合約的混合形式。與期權一樣,Basis 債券也有行使價,同時,Basis 債券在某種程度上類似於期貨合約,因為它們是一種協議,該智能合約簽發給債券購買人,並有權在指定的時間、特定的價格獲得 Basis 穩定幣。 另一方面,Basis 債券最類似於ZF發行的債券,因為債券持有人是按照先進先出(FIFO)的順序付款的。因此,較早購買的債券比以後購買的債券價值更高,因為債券持有人可能希望盡快將其債券贖回以換取基礎,因此他們認為 Basis 價格將回升至 1 美元。 但是與ZF發行的債券(永不過期)不同,Basis 債券有 5 年的到期日,在區塊鏈上公開拍賣,自由流轉,激勵投機者盡快購買它們,以加快 Basis 貨幣系統將其穩定幣價格帶回固定匯率的速度。 優勢 債券贖回貨幣體系具有抵押效率,並且它們在創造短期需求時不必增加長期供應,從而可以在短期內提高其穩定幣的價格。債券回購與彈性供給穩定幣模型中的存放利率不同,債券回購不會導致穩定幣的供應淨增加,即:當贖回 Basis Bond 時,Basis 穩定幣的供應不會淨增加。 在彈性供給穩定幣模型中,如果存放利率在短期導致的需求或購買壓力超過或抵消穩定貨幣供應量增加在長期內產生的賣出壓力,其穩定貨幣的價格就會穩定。否則,穩定幣將陷入負反饋,有可能導致死亡螺旋。而債券贖回穩定機制通過以債券替代存放利率作為主要穩定機制,消除了彈性供給經濟體的長期通脹壓力。 弱點 首先,債券贖回穩定幣模型中,股份持有人獲得利潤的唯一途徑是相信穩定幣需求是充分的,並人為創造穩定幣需求、提高穩定幣價格,以便以鑄幣形式賺取收入。這就導致他們希望盡可能長的時間以自身利潤最大化為指標決定新鑄造的穩定幣數量。逐利將帶來穩定幣短期價格波動——因為股份持有人可能要花一些時間才能意識到從價格變動中獲利實際上是徒勞的。 其次,債券贖回可能會給投資者留下毫無價值的債券。只有穩定幣需求不斷增長才能使債券形成有效的價格穩定機制。如果 Basis 穩定幣價格下跌以至於偏離錨定匯率太遠,大多數投機者可能會喪失對其盯住匯率掛鉤能力的信心,債券將變得一文不值。 第三,Basis 穩定幣價格急劇下跌可能會產生負反饋循環。如果投機者避開購買債券,就會使穩定幣價格進一步下跌。如此循環以至於所有投機者對購買債券失去興趣,整個穩定幣體係將停止運轉。 最後,它可能無法以買入債券的形式在短期內讓穩定幣價格保持穩定。合規問題進一步加劇了這個問題。美國證券交易委員會(SEC)將 Basis 股份和債券都歸為未經註冊的證券,這些證券只能由合格的投資者購買,並且自首次發行以後,經過一年才可以轉售給公眾。由於 Basis 公司無法遵守美國證券法,因此不得不關閉其業務。
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