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A Web3 security audit marketplace that connects blockchain companies with independent security researchers. Verify reputation across platforms in a gated marketplace available to verified researchers only.
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DeFi Protocol Security Review
Smart contract audit needed for our lending protocol...
Alex Researcher
Security Auditor
50+ audits • $2M+ secured
See the platform in action
Professional tools designed for security researchers and Web3 teams
How it works
Three simple steps to connect and start auditing
Company posts audit request
Define scope, repositories, budget expectations, and timeframe. Provide technical context with GitHub links and documentation.
Researchers browse & respond
Verified researchers discover opportunities, review technical details, and express interest with their availability and experience.
Connect and proceed
Direct communication allows both parties to align on scope and expectations before proceeding with the engagement off-platform.
Built for both sides of the audit market
Tailored experiences for companies and security researchers
For Companies
Find auditors faster
Skip the network hunt. Browse verified researchers with proven track records.
Clear reputation signals
See aggregated reputation from Code4rena, Sherlock, and other platforms.
Structured scope communication
Provide detailed context upfront to attract the right researchers.
Reduce spam and noise
Gated marketplace means only serious, authenticated researchers respond.
For Researchers
Access gated opportunities
Browse audit requests visible only to authenticated researchers.
Showcase your reputation
Aggregate your achievements from multiple audit platforms in one place.
Get inbound opportunities
Let companies discover you based on your skills and past work.
Professional visibility
Build your professional presence in the Web3 security community.
Reputation, where it matters
We aggregate researcher achievements from leading Web3 security platforms
How reputation works: As a researcher you can add your public Sherlock profile, this contains data from all major platforms. We'll extend this later where possible.
Frequently asked questions
Everything you need to know about Need4Audit
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