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Liquity USD (LUSD)

Liquity USD (LUSD) is the USD-pegged used to pay out loans on the [1]

Overview

LUSD is an token behind the decentralized borrowing protocol. [1]

Liquity USD is designed to provide loans in liquidity agreements through its backing. To access the loans offered by the platform, users need to have a collection with a minimum deposit of before accessing the LUSD network, thus opening up a '110% collateral' rate to users. [1]

The Liquity protocol is a decentralized lending system allowing users to obtain loans at 0% interest rates while collateralizing ETH. As a result of its deployment on the , Liquity USD is validated using a consensus mechanism due to the Ethereum Merge. [1]

Users have the option to deposit LUSD tokens into a stable pool to earn rewards in both ETH and LQTY, the protocol's secondary token. As settlement transactions occur on the network, the balance of LUSD in the stabilization pool decreases over time. In return, users receive a percentage of settled and LQTY as rewards. Beyond offering various use cases for its users, LQTY token holders can pledge their tokens to gain a share of the loan and redemption fees charged by the platform. These fees are primarily allocated to the pledge contract and accrue in both ETH and LUSD. [1]

As LUSD is pegged to the US dollar, its value closely mirrors that of the dollar. This allows token holders to directly exchange their LUSD tokens for fiat currency or other token pairs, such as . [5]

Redemption Mechanism

LUSD is a fully redeemable . Holders have the flexibility to redeem their LUSD for the underlying ETH collateral at face value at any time. For instance, redeeming 100 LUSD would yield $100 worth of ETH collateral from the riskiest Trove(s), minus the current redemption fee. This redemption mechanism establishes a price floor for LUSD, ensuring it returns to parity whenever its price falls below $1. Holders are incentivized to redeem LUSD when it's available for less than $1, enabling them to convert it into Ether at exactly $1. Each redemption not only contracts the total LUSD supply but also triggers an adjustment of the base rate. [6]

LUSD Supply Shrinkage

Liquity's Troves are collateralized debt positions (CDPs) that enable users to borrow LUSD against their ETH deposits. Redemptions occur when the price of LUSD drops below $1. Liquity's stability mechanism allows users to redeem 1 LUSD for $1 worth of ETH to maintain price stability. However, this ETH comes from troves with the lowest .

On October 24th, 2023, over 4.13 million LUSD tokens were exchanged for ETH. The increase in trove redemptions prompted users to close their troves and look into other lending platforms. Some users raised concerns about Liquity's redemption process, stating it's not efficient for borrowers and has led to the departure of significant users. [7]

In September 2023, the average collateral ratio of redeemed troves stood at 181%. Arbitrage bots had taken advantage of the ongoing arbitrage opportunity arising from ’s Savings Rate, exerting downward pressure on the price of LUSD and shrinking its supply. As users paid off their debt and closed their troves, the supply of LUSD decreased. However, this reduction in supply boosted the yield for LUSD stakers in the stability pool. [7]

LUSD & LQTY Bridging

LUSD is available on . The bridging process involves burning an LUSD-IOU on the target chain to recover the base LUSD on the mainnet, with a one-week delay for the Challenge Period. The bridges enable LUSD on layer 2, making it easy for smaller holders to acquire it on their local . The same process applies to LQTY, and the goal is to democratize access to LUSD by bridging it to layer 2. [9]

Partnerships

LUSD x Maverick

The following pairs are the first three liquidity pools involving LUSD launched on :

  • LUSD / wstETH pool
  • LUSD / ETH pool
  • LUSD / pool

Maverick offers customizable liquidity structures for LUSD/ETH pools, providing efficient liquidity compared to UniswapV2-type distributions within a similar range. There's also an LUSD/ pool, and a LUSD/wstETH pool is available through collaboration with the Lido Finance team. [8]

LUSD x GearBox

GearBox, the composable leverage protocol, was launched on October 31, 2022. GearBox V2 is employed to leverage LUSD/3CRV Curve/Convex yields. Users have the option to act as suppliers of tokens utilized by leveragers, earning a native yield and GEAR tokens. This involves both earning and providing liquidity to facilitate LUSD/3CRV leveraging, as well as supplying DAI or USDC on GearBox. [10]

LUSD x Synthetix

In November 2021, integrated LUSD into their ecosystem to support peg on . [11]

LUSD x OHM

The co-incentivized LUSD/OHM Sushiswap pool went live on October 6, 2021, making it eligible for liquidity mining rewards. [12]

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Liquity USD (LUSD)

Commit Info

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Edited On

April 2, 2024

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