Legacy
Since 2007
19 years of continuous editorial operation. Listings audited and re-audited as the directory ages — no stale 2008 records masquerading as live.
Top Listed Entities in Web3 Security & Smart Contract Auditing
Ranking weights editorial tier and entity health score across the full listed set. No listings here carry the verification badge yet — they appear in order of editorial signal. Last updated .
Top 5%Editor’s Pick
Hacken
Lisbon, Portugal
Smart Contract AuditProof of ReservesJSON-LD: ProfessionalService
Hacken is a blockchain security auditing firm based in Lisbon that has completed over 1,800 audits for crypto projects including smart contract reviews, blockchain protocol assessments, and penetration testing. The company also operates a proof-of-reserves validation service and publishes annual Web3 security reports tracking industry-wide vulnerability trends.
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- Verified
Trail of Bits
JSON-LD
New York, United StatesHealth 61/100Trail of Bits is a cybersecurity research and consulting firm providing smart contract auditing, blockchain security assessments, and custom security tooling. Based in New York, the company develops open-source tools including Slither for static analysis and Echidna for fuzzing, used by security teams across the blockchain industry for automated vulnerability detection.
- Verified
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