ChainPick

Trail of Bits vs Consensys Diligence (2026)

A head-to-head comparison of Trail of Bits and Consensys Diligence — pricing, the features that actually differ, and which one fits which use case.

At a glance

T

Trail of Bits

Elite security research firm and the gold standard for cryptography and ZK

4.9(214)
Starting price
On request
Free plan
No
Best for
Gold-standard reputation across all of security
Full Trail of Bits review →
C

Consensys Diligence

Ethereum-native audit team from the company behind MetaMask and Infura

4.7(176)
Starting price
On request
Free plan
No
Best for
First-party Ethereum pedigree via Consensys
Full Consensys Diligence review →

Full feature comparison

FeatureTrail of BitsConsensys Diligence
Manual Audit
Automated Scanning
Continuous Monitoring
Upgrade Management
Multi Sig Governance
Public Reports
Emergency Response
Contract Library
Formal Verification
Bug Bounty Management

Pricing compared

Pricing models differ substantially between these two.

Trail of Bits

Trail of Bits

Audit Engagement

Custom

  • Manual smart-contract + protocol audits
  • Cryptography & ZK expertise
  • Custom tooling (Slither, Echidna)
  • Detailed public reports
  • Quote-based engagements
Contact Sales

Consensys Diligence

Consensys Diligence

Audit Engagement

Custom

  • Manual EVM smart-contract audits
  • MythX + Scribble tooling
  • DeFi + infrastructure expertise
  • Public reports
  • Quote-based engagements
Contact Sales

Which should you choose?

Choose Trail of Bits if…

  • Gold-standard reputation across all of security
  • Unmatched cryptography and ZK expertise
  • Builds industry-standard open-source tooling

Watch out: Among the most expensive firms.

Choose Consensys Diligence if…

  • First-party Ethereum pedigree via Consensys
  • Strong proprietary and open-source tooling
  • Audited major DeFi and infrastructure protocols

Watch out: Ethereum/EVM-focused, not multi-ecosystem.

Our verdict

Trail of Bits edges ahead on our editorial score (4.9/5), but these tools aren’t straight substitutes. Pick Trail of Bits when gold-standard reputation across all of security matters most to your workflow; pick Consensys Diligence when first-party ethereum pedigree via consensys is the priority. The deciding factor is usually the trade-off you can least afford — Trail of Bits means accepting that among the most expensive firms, while Consensys Diligence means ethereum/evm-focused, not multi-ecosystem.

Frequently asked questions

Is Trail of Bits or Consensys Diligence better?

Trail of Bits carries the higher editorial rating (4.9/5 vs 4.7/5), but they solve different problems. Trail of Bits is the stronger pick when you need gold-standard reputation across all of security. Consensys Diligence wins when first-party ethereum pedigree via consensys.

Which is cheaper, Trail of Bits or Consensys Diligence?

Both are priced on request — expect quote-based pricing rather than public tiers.

What are the main drawbacks of Trail of Bits and Consensys Diligence?

Trail of Bits's main limitation is that among the most expensive firms. For Consensys Diligence, ethereum/evm-focused, not multi-ecosystem. Weigh these against how you actually plan to use the tool.

Can you use Trail of Bits and Consensys Diligence together?

In most cases yes — many teams run both, using each where it's strongest. Since Trail of Bits leads on gold-standard reputation across all of security and Consensys Diligence on first-party ethereum pedigree via consensys, the two are often complementary rather than mutually exclusive.