Inside Ethereum's Engine: How the Execution Layer Actually Works
Build Securely on OP Mainnet
with OpenZeppelin
OpenZeppelin supports developers on OP Mainnet with audited libraries, upgrade plugins, and open-source tools that simplify contract deployment, reduce risk, and power applications designed for low fees and fast execution on Ethereum’s optimistic rollup.
OpenZeppelin Solidity Contracts
A suite of audited contracts and utilities for OP Mainnet. With secure, reusable components, developers can accelerate development and focus on shipping apps that combine Ethereum security with low-cost rollup scalability.
Docs → Github →More than
$643 billion
Total Value Transferred through OpenZeppelin Contracts on OP Mainnet
More than
217 million
Transactions executed with OpenZeppelin Contracts on OP Mainnet
Contracts Wizard
Quickly generate secure OP Mainnet smart contracts. Choose modules, preview Solidity, and export production-ready code in seconds.
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Upgrades Plugins
Safely deploy and manage upgradeable contracts on OP Mainnet using Hardhat and Foundry plugins. Automate proxies, enforce safety checks, and integrate verification to support long-term reliability on rollups.
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Contracts MCP
Model Context Protocol integration for OP Mainnet. Generate and deploy secure Solidity contracts with OpenZeppelin libraries directly from AI-powered development environments.
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Open Source Tools
UI Builder
Generate a ready-to-use frontend for any OP Mainnet contract call. Select the function, connect wallets, and export a complete React app with multi-network support.
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Safe Utils
Verify OP Mainnet multisig transactions before signing. Safe Utils ensures teams can confirm actions with confidence, preventing errors and malicious activity.
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Access Control
Manage role-based permissions with fine-grained admin rights and flexible hierarchies. Essential for DAOs, multisigs, and governance frameworks on OP Mainnet.
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Join the Community
Contribute on Github →Enterprise-grade security and compliance for institutional adoption
Security Services
Smart Contract Security Audit
Secure your OP Mainnet smart contracts through rigorous audits that strengthen your application, delivering the gold-standard security that empowers confident scaling across the Superchain.
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Blockchain Infrastructure Audit
Strengthen your offchain infrastructure through detailed audits covering sequencer operations, bridge security, and OP Stack customizations, delivering reliable foundations for applications and rollup deployments.
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