[Ethereum] Yearn - Security Rating 3

Security Rating Level: 3
Evaluation Date: Mar 31st, 2021

1. History & Team (Weight 20%; Score 72)

1.1 Project age (8%; 80)
Launched on mainnet from 2020 Feb, alive for 14 months.
1.2 Past exploits (8%; 50)
Was attacked once
1.3 Team anonymity (2%; 100)
Team are public
1.4 Team experience in programming (2%; 100)
Founder, Andre Cronje, started working on software engineering from 2009 or earlier

2. Exposure (Weight 25%; Score 57.8)

2.1 Historical TVL (17.5%; 64)
Average market share in the past 4Q: 1.0%, 2.3%, 3.7%, 2.9%
Data collected from yearn.finance | Stats, Charts and Guide | DeFi Pulse
2.2 Industry segment (5%; 40)
Yearn is a yield aggregator
2.3 Infrastructure (2.5%; 50)
Out of business nature, heavy oracles are needed for price feed

3. Audit (Weight 35%; Score 83)

Audit report available on: Security Audits - yearn.finance
3.1 Transparency and scope (14%; 100)
Full scope audit done, and report is public
3.2 Audit firm trust score (10.5%; 70)
Audited by Certik, CryptoManiacs, MixBytes, and Quantstamp, Tier 2 audit firm
3.3 Audit findings (10.5%; 40)
Critical issues were found in audit
3.4 Other credits (up to additive 5.25%; 10)
Core smart contracts audited by multiple firms; audit done before deployment

4. Code quality (Weight 15%; Score 60)

Repository on github: GitHub - yearn/yearn-vaults: Yearn Vault smart contracts
4.1 Documentation
Poor documentation. Some code specification found on medium
4.2 Test
Test done but code coverage not visible

5. Developer community (Weight 5%; Score 83)

5.1 Bug bounty program (3.5%; 80)
Exists. Reward up to $50,000
5.2 Issues raised on Github (1.5%; 90)
10 issues raised on github repository

The N-SCOSS for Compound is 71.05, level 3