Ether.fi Liquid - ETH Yield
Ether.fi Liquid is an automated DeFi strategy vault built on top of ether.fi's liquid restaking infrastructure. The ETH Yield vault provides a simple, single-deposit access point to deploy ETH-denominated assets across a curated set of DeFi protocols for optimized yield.
Users deposit eETH, weETH, or WETH into the vault and receive an ERC-4626 compatible LP token (LQIDETHFIV1) whose redemption value appreciates automatically as the vault earns returns through auto-compounding.
How the ETH Yield vault works:
- You deposit eETH, weETH, or WETH into the vault.
- The vault algorithmically allocates deposited assets across multiple DeFi protocols (Pendle, Aave, Morpho Blue, Uniswap V3, Balancer/Aura, Curve/Convex) to optimize yield.
- Earnings are auto-compounded back into the vault, increasing the redemption value of your LP token.
- A small liquidity buffer is maintained to facilitate withdrawals at any time.
- The vault is powered by Veda's BoringVault architecture with Merkle proof-validated strategy execution.
Basic Information
Fundamentals
TVL
APR
Statistics
| Weekly | Monthly | Quarterly | Yearly | |
|---|---|---|---|---|
| Period Start | N/A | N/A | N/A | N/A |
| Period End (inclusive) | N/A | N/A | N/A | N/A |
| APR | N/A | N/A | N/A | N/A |
| CAGR (APY) | N/A | N/A | N/A | N/A |
| TVL High | N/A | N/A | N/A | N/A |
| TVL Low | N/A | N/A | N/A | N/A |
Liquidity
Not calculated yet
Liquidity analysis will be available soon
Strategy
- Deposit ETH-denominated assets
- Deposit eETH, weETH, or WETH into the ETH Yield vault
- Receive LQIDETHFIV1 LP tokens representing your share of the vault
- No deposit fees are charged
- Automated yield optimization
- The vault automatically allocates across Pendle, Aave, Morpho Blue, Uniswap V3, Balancer/Aura, and Curve/Convex
- Earnings are auto-compounded to maximize returns
- Strategies are validated through Merkle proofs ensuring only authorized actions are executed
- Withdraw at any time
- Redeem your LP tokens for the underlying ETH-denominated assets
- No exit or withdrawal fees — only a 2% annual platform fee (calculated daily)
- A liquidity buffer is maintained in the vault to facilitate withdrawals
Yield Source
The ETH Yield vault generates returns from multiple sources, combining base Ethereum staking rewards with DeFi strategy returns:
- Base ETH staking rewards (~3-4%) — Consensus layer rewards (block rewards and attestation) and execution layer rewards (transaction fees and MEV) from Ethereum PoS validation via eETH/weETH.
- EigenLayer restaking rewards — Additional yield from securing Actively Validated Services (AVS) through EigenLayer restaking.
- Pendle yield tokenization — Fixed-rate yield trading through PT-eETH positions that appreciate to eETH value at maturity.
- Lending protocol yields — Interest earned from supplying assets to Aave V2/V3 and Morpho Blue lending markets.
- Liquidity provision fees — Trading fees earned from concentrated liquidity positions on Uniswap V3, Balancer/Aura, and Curve/Convex pools.
- Auto-compounding — All earned rewards are automatically reinvested back into the vault strategies.
The combined APY is variable — recently around ~3.3%, and has ranged higher (toward ~8%) in stronger markets. A portion of vault funds sits idle in a liquidity buffer for withdrawals and may earn little to no yield.
Strategy Limits
Deterministic Constraints
- Annual Platform Fee: 2% of TVL deducted daily (~0.0055%/day)
- Liquidity Buffer: A portion of funds is kept idle to facilitate withdrawals, reducing overall yield
- Accepted Deposits: Only eETH, weETH, or WETH — must convert other assets first
Probabilistic Constraints
- ETH Price Volatility: The value of underlying ETH-denominated assets fluctuates with market conditions
- DeFi Protocol Risk: Yield depends on performance and security of multiple integrated protocols (Pendle, Aave, Morpho, etc.)
- Variable APY: Returns are not guaranteed and change based on market conditions and DeFi protocol performance
- eETH/weETH Peg Risk: eETH may trade at a discount to ETH during volatile markets
Underlying Assets/Allocations
Risk Analysis
Potential Risks
Based on the official ether.fi documentation and PrismaRisk assessment, the following risks are associated with the ETH Yield vault:
- Smart Contract Risk — The vault interacts with multiple third-party protocols (Pendle, Aave, Morpho, Uniswap, etc.), each adding smart contract surface area
- Validator Slashing Risk — Slashing penalties from validator misbehavior are socialized across all depositors with no dedicated bond buffer
- EigenLayer Slashing Risk — Restaking through EigenLayer introduces additional slashing exposure from AVS misbehavior
- Centralization Risk — 2-of-6 multisig without timelock; single-member oracle committee; most validator bonds are ether.fi-controlled
- eETH/weETH Depeg Risk — eETH may diverge from 1:1 with ETH during volatile markets; ~76% of weETH supply has historically resided on Pendle
- Oracle Risk — RedStone price feeds aggregate only four data sources concentrated on Balancer pools
- Client Diversity Risk — Approximately 55% of ether.fi validators historically ran Geth, exceeding safe client diversity thresholds
- Withdrawal Delay Risk — Validator exits may take from two days to several months, potentially causing delays if the liquidity buffer is exhausted
Risk Analysis (3rd Parties)
Summary
Ether.fi Liquid ETH Yield vault offers automated, diversified ETH yield through a combination of staking rewards, EigenLayer restaking, and DeFi strategy returns. The protocol benefits from strong TVL ($7.8B+ platform-wide), multiple audits, and CertiK "A" rating. However, notable centralization risks (2/6 multisig, single-member oracle), high audit finding counts, and dependency on multiple third-party protocols warrant careful consideration. Governance is still maturing with full on-chain governance not yet live.
See the PrismaRisk collateral risk assessment for weETH: "weETH Collateral Risk Assessment"
Smart contracts are managed by a 2-of-6 multisig without a timelock mechanism, allowing immediate execution of changes. Five of six signers are ether.fi team members.
The TVL consensus oracle features a single committee member (an EOA address with quorum threshold of one), creating full centralization of the oracle.
Audit reports from multiple firms are available at: ether.fi Audit Reports Repository
Ether.fi has been audited by 6+ firms including Omniscia, Nethermind, Solidified, CertiK, Zellic, and Halborn. CertiK rates the protocol 80.58/100 ("A" rating).
Audit findings across firms included significant issues: Omniscia found 11 major findings, Nethermind found 1 critical and 6 high-severity issues, and Solidified found 3 critical issues. All reported issues have been addressed.
Ether.fi maintains an active bug bounty program on Immunefi and holds the Immunefi Standard Badge. Optional smart contract coverage is available through Nexus Mutual.