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Fluid Lite

Rejected
Max sleeve
Reviewed
2026-08-14 · v1
Next review
2026-11-15
Chains
Ethereum · sovereign

Rejected venues wait the longest for re-review; a rejection has to earn another look before the scheduled date.

Fluid Lite packages recursive stETH borrowing and cross-protocol DeFi positions behind vault shares. DefiLlama’s 2026-08-14 snapshot classifies it as a yield aggregator and attributes about $135.4M entirely to stETH on Ethereum. Fluid’s own current documentation expressly describes looping, automated leverage and borrowing ETH against stETH. That is the leveraged-looping class, not off-chain credit.

The research file

Mechanism

The stETH vault supplies liquid-staked ETH to supported lending protocols, borrows ETH, acquires more staked ETH and repeats the position to amplify staking yield. Fluid also describes current stablecoin vaults that use lending and borrowing loops. Depositors receive ERC-4626-style iTokens while rebalancers route positions among approved venues.

Control and evidence

DAO governance sets leverage ranges and approved protocols; an assigned rebalancer may leverage, refinance and move positions within those parameters, while an automation server can unwind risk. Fluid says the rebalancer and team multisig cannot withdraw user funds. The strategy is observable on-chain, confirming that private-credit classification was wrong, but it remains exposed to each lending market, oracle and automation path.

Exit consequences

Fluid maintains a variable withdrawal reserve, but its docs warn leveraged strategy can limit availability. Larger withdrawals require refinancing or deleveraging: selling stETH to repay ETH debt can realize slippage or losses, especially if stETH trades below ETH. Governance and the emergency multisig can temporarily pause withdrawals or rebalancing.

Why the class rule decides

Recursive collateral, borrowing and redeposit amplify a modest staking spread into a leveraged bet on borrowing rates, stETH/ETH parity, oracle execution and liquidation thresholds. The leveraged-looping rule rejects that payoff regardless of transparent contracts or operator quality. Review reopens for a materially distinct unleveraged vault with bounded venue exposure and demonstrated stressed exits.

Sources

The claims above trace to these. Where a number could not be independently verified, the thesis says so.

Inherited controls

The verdict above grades the protocol layer. Every position also inherits the asset it holds and the chain it settles on. The least safe layer sets the position’s grade, and the position table names which one that is.

ChainVerdictGradeControl constraint
EthereumApproved sovereign No sequencer, no upgrade key, no operator who can be compelled — rule changes require social consensus.
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