Optimism Smart Contract Security Audits
Optimism powers one of Ethereum's largest L2 ecosystems and the OP Stack underpins multiple chains including Base. Protocols deploying on Optimism benefit from Ethereum security inheritance but face L2-specific risks that require targeted audit coverage.
$1.1B+
TVL on OP Mainnet
200+
Active protocols
34+
Chains in the Superchain
Optimism-Specific Security Risks
Every blockchain has unique security properties. These are the risks specific to building on Optimism.
Optimistic Rollup Finality
Optimism's 7-day challenge period means transactions aren't final on L1 for a week. Protocols handling cross-chain assets must account for this delay.
Sequencer Centralization
Transaction ordering controlled by a single sequencer. Protocols must handle sequencer downtime and ordering risks.
OP Stack Shared Risk
A vulnerability in the OP Stack could affect Optimism, Base, and every chain built on it. Protocol-level audits should consider stack-level dependencies.
Standard EVM Risks
All Solidity vulnerability classes apply with the same severity as Ethereum mainnet.
Notable Exploits on Optimism
Real incidents that demonstrate why Optimism security audits matter.
Wintermute OP token exploit
$15M2022Gnosis Safe counterfactual deployment exploit: 20M OP tokens sent to an undeployed L2 contract address.
Frequently Asked Questions
Relevant Audit Services
Solidity Audits
Line-by-line Solidity smart contract audits combining manual review, static analysis, and fuzzing. Severity-rated findings with actionable remediation.
Bridge Audits
Security audits for cross-chain bridges and messaging protocols. Multi-chain validation, relay security, and asset custody reviewed by experienced auditors.
DeFi Security
Security audits for DeFi protocols: DEXs, lending, vaults, staking, and yield aggregators. Economic attack modeling, oracle analysis, and governance review.
Building on Optimism?
Get a security audit from a team that understands Optimism's architecture. We respond within 24 hours.
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