Trail of Bits
Security research firm that audits blockchains, smart contracts, cryptography and AI systems.
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Trail of Bits key facts
| Category | Security and compliance |
|---|---|
| Platforms | Web |
| Launched | 2012 |
| Open source | Yes, 200+ open-source repos including Slither and Echidna |
| Company | Security research and audit firm; public reports on GitHub |
What is Trail of Bits?
Trail of Bits is a security firm working since 2012 that reviews smart contracts, nodes and bridges, cryptography and AI systems. Its site lists 620 audits and 946 publications, and it hosts public reports in a GitHub publications repository. Its blockchain work uses its own open-source tools Slither, Echidna and Medusa.
Trail of Bits pros and cons
- 620 audits listed on its homepage
- Public reports hosted on GitHub (trailofbits/publications)
- Builds open-source tools used in audits: Slither, Echidna, Medusa
- No published pricing; engagements are scoped per project
- Blockchain is one of several practices, next to AI and app security
Trail of Bits FAQ
What is Trail of Bits?
Trail of Bits is a security firm working since 2012 that reviews smart contracts, nodes and bridges, cryptography and AI systems. Its site lists 620 audits and 946 publications, and it hosts public reports in a GitHub publications repository. Its blockchain work uses its own open-source tools Slither, Echidna and Medusa.
Sources
How this page works
Sources: Trail of Bits: official site, Trail of Bits: Services, Trail of Bits: Homepage. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.