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1337web3

KYC
KYCed by Code4rena & Cantina

Web3 security sleuth who thrives on outsmarting blackhat hackers, armed with a knack for spotting critical bugs and weak spots.

Available
2 years experience
Vetted

Programming Languages

SolidityRust

Expertise & Skills

StakingNFTAMMPerpetualsBonding-Curves

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Our team can assist with project requirements, timeline coordination, and finding the perfect match

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Portfolio & Experience

Detailed audit history and technical expertise

🛡️ Chain Defenders Audit Reports

Contests Private Audits

Lines Reviewed Findings

Welcome to the official audit reports repository of Chain Defenders — a specialized Web3 security firm that has audited 50K+ lines of code and uncovered over 100 high/medium severity vulnerabilities.

Here, you'll find detailed security reports from both contest-based and private engagements.

📁 Repository Structure

  • contests/ – Finalized reports from open auditing contests (Code4rena, Sherlock, CodeHawks).
  • private audits/ – Reports from private client engagements conducted under NDA or direct contracts.

🔑 Severity Legend

BadgeMeaning
C/HCritical / High severity*
MMedium severity
LLow severity
IInformational severity
GGas optimization

Note: Chain Defenders classifies all Critical and High findings under a single High severity label.

🏆 Contest-Based Audits

ProtocolAudit PlatformContest PageReport PageRankFindingsTechPlatform
PhiCode4rena🔍 View Contest🛡️ View Report2nd2C/H 1M
SwanCodeHawks🔍 View Contest🛡️ View Report2nd3C/H 4M 3L
TokensoftSherlock🔍 View Contest🛡️ View Report2nd1M
UsualSherlock🔍 View Contest🛡️ View Report2nd1C/H
Lambo.winCode4rena🔍 View Contest🛡️ View Report4th2C/H 2M
TellerSherlock🔍 View Contest🛡️ View Report5th1M
SoonCantina🔍 View ContestPrivate5th1C/H 5L &
ZarosCodeHawks🔍 View Contest🛡️ View Report6th5C/H 8M 2L
SecondSwapCode4rena🔍 View Contest🛡️ View Report8th1C/H 4M
stake.linkCodeHawks🔍 View Contest🛡️ View Report10th3M
IQ AICode4rena🔍 View Contest🛡️ View Report10th1M
Liquid RonCode4rena🔍 View Contest🛡️ View Report10th1C/H 1M 1L
THORWalletCode4rena🔍 View Contest🛡️ View Report10th1M
ReserveCantina🔍 View ContestPrivate12th1M 2L
QuantAMMCodeHawks🔍 View Contest🛡️ View Report21st1C/H 2M
Total findings17C/H 30M 13L

🔒 Private Engagements

ProtocolReport PageDateFindingsTechPlatform
Phi🛡️ View ReportNov 20241M 2L 4I
Size Credit🛡️ View ReportDec 20241L 2I 2G
Cyfrin Attester🛡️ View ReportMar 20251C/H 2M 6L 4I
Blackhole Experiment🛡️ View ReportMar 20253M 5L 1I 1G
Cyfrin x EulerSwap🛡️ View ReportMay 20252L 3I 2G
Cyfrin x Suzaku Core🛡️ View ReportMay 202512C/H 19M 13L 1I 6G
Phi Token🛡️ View ReportJune 20253C/H 8M 16L 20I
Phi Staking🛡️ View ReportJune 20251C/H 1L 4I
NDAPrivateJuly 20251C/H 4M 9L 10I
Cyfrin x Symbiotic🛡️ View ReportJuly 20253M 2L 5I 3G
Cyfrin x Licredity🛡️ View ReportAugust 20254C/H 1M 4L 13I
AddictedDotFunTBAAugust 2025TBA
AddictedDotFun EnhancementTBASeptember 2025TBA
Cyfrin x IlluviumTBASeptember 2025TBATBA
Cyfrin x ButtonTBASeptember 2025TBATBA
Total findings22C/H 41M 61L 67I 14G

💡 Why Choose Us

  • 🏆 Proven Track Record – Consistently top-ranked in Code4rena, Sherlock, and CodeHawks contests.
  • 🔍 High-Impact Findings – Over 100 high & medium severity vulnerabilities uncovered across all kinds of protocols.
  • 🌐 Multi-Chain Expertise – Deep experience across EVM and SVM.
  • ⚡ Fast & Thorough – Rapid turnaround times without compromising depth of analysis.
  • 🤝 Trusted by Leading Teams – Selected for private audits by well-known protocols and security partners.

🌐 Learn More

Made with ❤️ by Chain Defenders