Last updated: October 2026
HYDN Security
Vetted on Procur3 · est. 2021HYDN Security is a blockchain security firm known for deep protocol-level audits across smart contract security. This profile aggregates its audit record and notable clients — so you can evaluate fit before requesting a competitive quote through Procur3.
About HYDN Security
Founded in 2021, HYDN Security is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Solidity, covering engagements across Ethereum and related ecosystems. Core areas of expertise include smart contract security.
With 13+ audits on record, HYDN Security has worked with notable protocols including Metamask, Consensys, a16z, Rapid7. The firm's review history provides a transparent track record that teams can evaluate before engaging.
Through Procur3, teams can put their scope to HYDN Security alongside other matched firms and receive a competitive quote — without a three-week sales cycle.
Notable clients
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