Last updated: October 2026
Trail of Bits
est. 2012Trail of Bits is a blockchain security firm known for deep protocol-level audits across DEX, Lending, Bridge. This profile aggregates its audit record, 3200 findings and notable clients — so you can evaluate fit before requesting a competitive quote through Procur3.
About Trail of Bits
Founded in 2012, Trail of Bits is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Solidity, Rust, Go and C++, covering engagements across Ethereum, Solana, Polygon and related ecosystems. Core areas of expertise include DEX, Lending, Bridge, CDP.
With 280 audits on record, Trail of Bits has worked with notable protocols including Uniswap V3, MakerDAO, Compound V3, Yearn V3. The firm's review history provides a transparent track record that teams can evaluate before engaging.
Trail of Bits is tracked on Procur3's auditor directory. Teams can compare their profile, stats and track record against other firms before requesting a quote.
Findings by severity
| Critical, high & medium | 1295 | 40.5% |
| Low, informational & other | 1705 | 59.5% |
Across 280 audits, Trail of Bits has logged 3200 findings, of which 1295 were rated critical, high or medium — roughly 40% of the total.
Figures are updated periodically and may not include every engagement. Severity labels follow each report's own classification.
Notable clients
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