Last updated: September 2026

No.Witness Labs is a blockchain security firm known for deep protocol-level audits across smart contract security. This profile aggregates its public audit record and notable clients — so you can evaluate fit before requesting a competitive quote through Procur3.
No.Witness Labs is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Aiken, Bitcoin Script, Compact and Daml, covering engagements across Ethereum, Bitcoin, Cardano and related ecosystems. Core areas of expertise include smart contract security.
No.Witness Labs has built a transparent track record across the ecosystem. Their audit reports and finding history allow prospective clients to evaluate fit and depth of review.
Through Procur3, teams can put their scope to No.Witness Labs alongside other matched firms and receive a competitive quote — without a three-week sales cycle.
No incidents recorded. No.Witness Labs has a clean post-audit track record across all publicly tracked engagements.
Post your scope once. No.Witness Labs quotes it competitively alongside other matched firms — you compare and award.