Quantstamp vs Code4rena
A detailed head-to-head comparison of Quantstamp and Code4rena — pricing, features, and which one wins for different use cases.
Quantstamp
Veteran audit firm with 1,000+ audits and strong ongoing communication
Quantstamp is one of the longest-running smart-contract audit firms, having secured well over a thousand projects and billions of dollars in value since the early days of DeFi. It's best suited to tea…
Full review →Code4rena
Competitive audit platform crowdsourcing bug discovery through contests
Code4rena (C4) pioneered the competitive audit model, running time-boxed public and private audit contests where hundreds of independent 'Wardens' compete to find vulnerabilities in a codebase, with p…
Full review →Feature Comparison
| Feature | Quantstamp | Code4rena |
|---|---|---|
| Manual Audit | ✓ | ✓ |
| Automated Scanning | ✓ | ✗ |
| Continuous Monitoring | ✓ | ✗ |
| Upgrade Management | ✗ | ✗ |
| Multi Sig Governance | ✗ | ✗ |
| Public Reports | ✓ | ✓ |
| Emergency Response | ✓ | ✗ |
| Contract Library | ✗ | ✗ |
| Formal Verification | ✗ | ✗ |
| Bug Bounty Management | ✗ | ✓ |
Quantstamp Pricing
Quantstamp
Audit Engagement
Custom
- ✓Manual smart-contract audits
- ✓Protocol security reviews
- ✓Ongoing communication + incident tracking
- ✓Monitoring services
- ✓Quote-based engagements
Code4rena Pricing
Code4rena
Audit Contest
Custom
- ✓Competitive audit contests
- ✓Large 'Warden' researcher pool
- ✓Severity-based prize pools
- ✓Public + private contests
- ✓Prize-pool-based pricing
Verdict: Which Should You Choose?
Quantstamp is the better pick if you need 1,000+ audits and a long track record. Code4rena wins when pioneered the competitive audit model. Both are production-ready — the right choice depends on your team's workflow and budget.