Yearn Finance review

The most transparent vault manager in DeFi

Last verified August 17, 20264 scored axes

Score8.8

Documented, with gaps

The short answer

Yearn Finance scores 8.8 out of 10 and ranks #2 of 8 in the best yield aggregators table, strongest on strategy transparency (9.2) and weakest on fees (8.2).

The original yield aggregator, with per-strategy disclosures, a v3 architecture that isolates risk properly and a history of covering losses when strategies failed. Fees are above the category average and it makes no apology for that.

Key facts on record

Launched: 2020
Model: Multi-strategy vaults
Chains: Ethereum and major L2s

What the record shows

4 axes, weighted as published in the table’s methodology. Each score below is read from the fact printed under it.

Yearn Finance on strategy transparency

9.2/ 30% of the score

Every vault publishes its strategies and their current allocations, with the underlying protocols identifiable on-chain.

Yearn Finance on security record

8.8/ 30% of the score

In production since 2020 with an extensive published audit history; strategy failures in 2020 and 2021 were followed by public post-mortems and depositor repayment from the treasury.

Yearn Finance on yield durability

8.6/ 20% of the score

Vault pages separate the underlying yield from any incentive component.

Yearn Finance on fees

8.2/ 20% of the score

Management and performance fees published per vault and charged on-chain.

Quick answers

What is Yearn Finance best for?: The most transparent vault manager in DeFi. The original yield aggregator, with per-strategy disclosures, a v3 architecture that isolates risk properly and a history of covering losses when strategies failed.
Where does Yearn Finance rank among best yield aggregators?: #2 of 8, scoring 8.8 out of 10 — documented, with gaps on our band scale.
What is the weakest part of Yearn Finance?: Fees at 8.2. Management and performance fees published per vault and charged on-chain.

Strengths and weaknesses

In its favour

Publishes strategy composition and allocations in detail
Isolated v3 vault architecture limits contagion between strategies
Reimbursed depositors after past strategy failures

Against it

Fee structure is among the highest in the category
Vault selection is complex for newcomers

An asset manager written in Solidity

Yearn publishes what each vault is doing and where the money currently sits, with the underlying protocols identifiable on-chain. That is the disclosure standard a fund investor would demand and almost nobody in DeFi meets: most competitors tell you an APY and leave the route to it as an exercise.

Failures, and what followed them

Strategies broke in 2020 and 2021. Both times Yearn published a post-mortem and repaid affected depositors from the treasury. Judging a manager by whether anything ever went wrong selects for the young; judging by what happened next selects for the ones worth using.

v3 contains the blast radius

The current architecture isolates strategies so a failure in one does not propagate across a vault, which is the structural answer to the stacked-dependency problem that defines this category. Your deposit may still touch four protocols; it no longer shares fate with every other strategy in the building.

You pay for it

Management and performance fees are published per vault and charged on-chain, and they sit at the top of the category. Vault selection is genuinely complex for a newcomer. This is a professional product priced like one.

How to choose a vault

Read what the strategies currently hold rather than the headline yield, and prefer vaults whose underlying protocols you would use directly. The fee is defensible when the strategy does something you could not replicate in two transactions, and expensive when it does not.

Frequently asked questions

Is Yearn safe?+

It has run since 2020 with an extensive audit history, isolates strategies in its v3 architecture, and repaid depositors from the treasury when strategies failed in 2020 and 2021. The residual risk is the protocols each strategy routes into.

How much does Yearn charge?+

Management and performance fees published per vault and charged on-chain, at the top of the category. The question is whether the strategy does something you could not do yourself in two transactions.

What is a Yearn v3 vault?+

A vault whose strategies are isolated from one another, so a failure in one strategy does not spread to the rest of the vault's positions.

How Yearn Finance compares

8 services in best yield aggregators

How to read these tables

No paid placement. Nobody buys a position, a score or a mention. We take no affiliate commission on any link in this section, and operators do not see their score before it publishes.

Scores are read from the record. Each one is derived from the fact printed beside it — a published attestation, a contract, a register entry, an incident report — against bands that describe evidentiary states. Facts age: each table carries the date it was last verified, and this is not an audit.

Nothing here is financial advice. Crypto services fail, change terms and withdraw from markets without notice. Verify anything that matters directly with the provider, and tell us when we get something wrong.

Found something out of date? Write to the desk — corrections are printed with the table.