Trail of Bits vs Zellic
A detailed head-to-head comparison of Trail of Bits and Zellic — pricing, features, and which one wins for different use cases.
Trail of Bits
Elite security research firm and the gold standard for cryptography and ZK
Trail of Bits is one of the most respected security firms in all of software, not just crypto, with a research-driven reputation that makes it the gold standard for the hardest problems: cryptography,…
Full review →Zellic
Research-led security firm strong on novel protocols, ZK, and Rust
Zellic is a fast-rising, research-led security firm that has built a strong reputation for auditing cutting-edge and unconventional systems — novel DeFi protocols, zero-knowledge circuits, Rust-based …
Full review →Feature Comparison
| Feature | Trail of Bits | Zellic |
|---|---|---|
| Manual Audit | ✓ | ✓ |
| Automated Scanning | ✓ | ✓ |
| Continuous Monitoring | ✗ | ✗ |
| Upgrade Management | ✗ | ✗ |
| Multi Sig Governance | ✗ | ✗ |
| Public Reports | ✓ | ✓ |
| Emergency Response | ✓ | ✓ |
| Contract Library | ✗ | ✗ |
| Formal Verification | ✓ | ✓ |
| Bug Bounty Management | ✗ | ✗ |
Trail of Bits Pricing
Trail of Bits
Audit Engagement
Custom
- ✓Manual smart-contract + protocol audits
- ✓Cryptography & ZK expertise
- ✓Custom tooling (Slither, Echidna)
- ✓Detailed public reports
- ✓Quote-based engagements
Zellic Pricing
Zellic
Audit Engagement
Custom
- ✓Manual audits (EVM + non-EVM)
- ✓Solana/Rust + ZK expertise
- ✓Novel protocol reviews
- ✓Technical public research
- ✓Quote-based engagements
Verdict: Which Should You Choose?
Trail of Bits is the better pick if you need gold-standard reputation across all of security. Zellic wins when research-led, strong on novel/hard targets. Both are production-ready — the right choice depends on your team's workflow and budget.