KETJU Research

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stable-lending

Flux Finance

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.

Flux Finance is a lending market on Ethereum that supports permissioned assets. TVL was $44.5M at the 2026-08-14 survey, below the $100M materiality line, and size alone rejects it: one practice advising 100 households moves $1M to $8M into a venue on the same research, and at this size that book becomes the exit crush, whatever the protocol’s quality.

The research file

Mechanism applicability

Flux documentation identifies an Ethereum peer-to-pool, overcollateralized lending protocol derived from Compound V2. Suppliers earn interest on deposited stablecoins, borrowers post collateral, and Flux adds asset-level permissions so instruments such as OUSG can remain restricted while permissionless assets such as USDC are supplied. That establishes lending-protocol membership with an additional transfer-permission dependency. It does not validate any market, collateral, oracle or borrower.

Current observation and scope

The DefiLlama protocol API read on 2026-08-15 showed about $44.5M of tracked Flux Finance TVL on Ethereum, below the shared v1 dossier’s $100M threshold. The current official documentation still describes the Compound-style market and Ondo DAO governance. Live collateral factors, utilization, borrow concentration, permissions, oracle and administrator roles, audits, incidents and the status of each permissioned asset remain outside this application.

Exit applicability

In a peer-to-pool lending market, a supplier’s exit depends on cash not currently borrowed and on borrower repayment or liquidation restoring liquidity. Permissioned collateral adds a separate dependency: restrictions can constrain who may hold or transact in the asset supporting a loan even when the supplied stablecoin itself is permissionless. At current aggregate TVL, a sleeve could be material to one market’s available cash, so the dossier’s capacity concern applies directly.

Why the class rule decides

The shared v1 below-materiality dossier controls this application; it is not an individual credit or smart-contract conclusion about Flux. Reopen only after a reproducible survey shows at least $100M of protocol TVL continuously for 30 days. The resulting market-level review must verify governance and upgrade control, asset permissions, oracle and collateral parameters, borrower concentration, audits and incidents, and stressed supplier withdrawals and liquidations. Crossing the line would initiate that work rather than confer approval.

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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