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.
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.
Core areas are blockchain/smart-contract security, software assurance, cryptography, and publish-first security research.
Shortlist Trail of Bits for scoped security audits (especially blockchain/smart-contract and cryptography work) or when you want to adopt its open-source analysis tools directly. Engagements are quoted individually - there is no public price list.
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.
Technical details
- Access
- See vendor
- Source model
- Other license
- Founded
- 2012
- Headquarters
- New York, USA
- Pricing model
- Contact sales
- API
- Not specified
- Website
- www.trailofbits.com ↗
Official resources
What to verify for your environment
Start from the users, systems and operating responsibilities the tool needs to support.
- Confirm current features, licensing and support terms with the publisher.
- Validate deployment, data location, access control, backup and recovery requirements.
- Test integrations, export paths and a representative operational workflow before committing.
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