What is Trail of Bits?
Trail of Bits is a security research and consulting firm founded in 2012 and headquartered in New York City. It performs software assurance reviews, blockchain and smart-contract audits, cryptography consulting, and AI/ML security evaluations, and publishes much of its research and tooling openly rather than keeping it proprietary. The company maintains more than 100 open-source security tools, including Slither and Echidna for smart-contract analysis and Manticore for symbolic execution.
Read the full overview
Sources checked 27 September 2026: official website, GitHub, blog.
Trail of BitsVulnerability ManagementSecurity research firm known for blockchain audits and open-source tools like Slither and Echidna.
Key capabilities
- Security audits: Software, blockchain/smart-contract, and cryptography reviews.
- AI/ML security: Evaluation of machine-learning systems and pipelines.
- Open-source tools: Slither, Echidna, Manticore and other tools usable independently of a paid engagement.
Because many of its tools are free and open source, teams can evaluate Trail of Bits' methodology on their own code before committing to a paid audit engagement.
“Security research firm known for blockchain audits and open-source tools like Slither and Echidna.”
Technical details
- Access
- See vendor
- Source model
- Commercial
- Founded
- 2012
- Pricing model
- Contact sales
- API
- Not specified
- Website
- www.trailofbits.com ↗
- GitHub
- Source repository ↗
What to verify
Start from the users, systems and operating responsibilities the tool needs to support.
- Confirm current features, licensing and support terms.
- Validate deployment, data location and access control.
- Test integrations, exports and recovery workflows.
Reviews of Trail of Bits
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