Last updated: October 2026
No.Witness Labs
Vetted on Procur3No.Witness Labs is a blockchain security firm known for deep protocol-level audits across Plutus smart contract engineering, Hydra L2, Open-source tooling. This profile aggregates its audit record, 320+ findings and notable clients — so you can evaluate fit before requesting a competitive quote through Procur3.
About No.Witness Labs
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 Cardano and related ecosystems. Core areas of expertise include Plutus smart contract engineering, Hydra L2, Open-source tooling.
With 18 audits on record, No.Witness Labs has worked with notable protocols including Lace, FluidTokens, Danogo, Pondora. The firm's review history provides a transparent track record that teams can evaluate before engaging.
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.
Notable clients
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