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Halborn

On Procur3Est. 2019halborn.com ↗

SolidityRustGoMoveVyperEthereumSolanaPolygonDEXLendingBridge

Halborn 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.

Last updated: November 2026

Audits
350
across 7+ years
Findings logged
4100
all severities
Crit + high + med
1620
material findings

Overview

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.

Languages
Solidity, Rust, Go, Move, Vyper
Chains
Ethereum, Solana, Polygon, Avalanche, BNB Chain, Arbitrum, Cosmos, Polkadot
Expertise
DEX, Lending, Bridge, Cross Chain, Yield, Staking Pool, Launchpad, Gaming
Services
Smart Contract Audit, Penetration Testing, Security Advisory, DevOps Security, Incident Response

Track record

Findings by severity

Critical, high & medium162039.5%
Low, informational & other218053.2%
Unclassified3007.3%

Across 350 audits, Halborn has logged 4100 findings, of which 1620 were rated critical, high or medium, roughly 40% of the total.

Halborn's published severity groups add up to fewer findings than its published total. The difference is shown as unclassified rather than assigned to either group.

Figures are updated periodically and may not include every engagement. Severity labels follow each report's own classification.

Selected work

Notable clients

  • Phantom WalletServices
  • BlockFiLending
  • Pancakeswap V3DEX
  • ApeCoinStaking Pool
  • CircleStablecoin
  • AvailInfrastructure

FAQ

Questions about Halborn

Where can I find Halborn's audit reports?

Halborn publishes its audit reports at halborn.com/audits.

What does Halborn audit?

Halborn lists Smart Contract Audit, Penetration Testing, Security Advisory, DevOps Security and Incident Response across Solidity, Rust, Go, Move and Vyper, and has published work on Ethereum, Solana, Polygon, Avalanche, BNB Chain, Arbitrum, Cosmos and Polkadot.

How much does a Halborn audit cost?

Procur3 doesn't hold published pricing for Halborn. Audit cost depends on scope, code size and the depth of review. See smart contract audit cost 2026 for typical ranges, or get an indicative figure from the audit cost calculator.

How do I get a quote from Halborn?

Post your scope on Procur3 and send it to Halborn as a private request, or open it to every matched firm and compare quotes.

Ready to work with Halborn?

Send your scope to Halborn privately, or open it to every matched firm and compare quotes side by side.

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