OShield
OShield is a blockchain security firm known for deep protocol-level audits across DeFi, DEX, Token. This profile aggregates its audit record, 150+ findings and notable clients, so you can evaluate fit before requesting a competitive quote through Procur3.
- Audits
- 20+
- Findings logged
- 150+
- all severities
- Crit + high + med
- 60+
- material findings
Overview
About OShield
OShield is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Solidity and Rust, covering engagements across Ethereum, BNB Chain, Polygon and related ecosystems. Core areas of expertise include DeFi, DEX, Token, Bridge.
With 20+ audits on record, OShield has worked with notable protocols including HXRO, Carrot. The firm's review history provides a transparent track record that teams can evaluate before engaging.
Through Procur3, teams can put their scope to OShield alongside other matched firms and receive a competitive quote without a three-week sales cycle.
- Languages
- Solidity, Rust
- Chains
- Ethereum, BNB Chain, Polygon, Arbitrum
- Expertise
- DeFi, DEX, Token, Bridge
- Services
- Smart Contract Audit, Penetration Testing, Reverse Engineering, Code Analysis
Track record
Findings by severity
| Critical, high & medium | 60+ | 40% |
| Low, informational & other | 80+ | 53.3% |
| Unclassified | ~10 | 6.7% |
Across 20+ audits, OShield has logged 150+ findings, of which 60+ were rated critical, high or medium, roughly 40% of the total.
OShield'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
- HXROL2 / Ecosystem
- CarrotL2 / Ecosystem
FAQ
Questions about OShield
Where can I find OShield's audit reports?
OShield publishes its work on its website. Procur3 doesn't host OShield's reports.
What does OShield audit?
OShield lists Smart Contract Audit, Penetration Testing, Reverse Engineering and Code Analysis across Solidity and Rust, and has published work on Ethereum, BNB Chain, Polygon and Arbitrum.
How much does a OShield audit cost?
Procur3 doesn't hold published pricing for OShield. 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 OShield?
Post your scope on Procur3 and send it to OShield as a private request, or open it to every matched firm and compare quotes.
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