Last updated: October 2026
Halborn
Vetted on Procur3 · est. 2019Halborn is a blockchain security firm known for deep protocol-level audits across DEX, Lending, Bridge. This profile aggregates its audit record, 4100 findings and notable clients — so you can evaluate fit before requesting a competitive quote through Procur3.
About Halborn
Founded in 2019, Halborn is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Solidity, Rust, Go and Move, covering engagements across Ethereum, Solana, Polygon and related ecosystems. Core areas of expertise include DEX, Lending, Bridge, Cross Chain.
With 350 audits on record, Halborn has worked with notable protocols including Phantom Wallet, BlockFi, Pancakeswap V3, ApeCoin. The firm's review history provides a transparent track record that teams can evaluate before engaging.
Through Procur3, teams can put their scope to Halborn alongside other matched firms and receive a competitive quote — without a three-week sales cycle.
Findings by severity
| Critical, high & medium | 1620 | 39.5% |
| Low, informational & other | 2180 | 60.5% |
Across 350 audits, Halborn has logged 4100 findings, of which 1620 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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