Technology, processes, and people to minimize risk when launching and scaling. Ship faster and more safely.
Trusted by the world's leading projects
1
Secure Code
Comprehensive developer security: from day one to audit
Gold Standard Audits
Summon our team of security experts to verify your system works as intended with the highest level of scrutiny. Track issues and resolutions, and interact directly with auditors for faster and more efficient communication.
Battle-tested Contracts
Develop using security best practices, community-vetted libraries, and the most commonly adopted ERC standards.
Security on every Pull Request
Automatic code analysis for differences, vulnerabilities, improvements, gas costs, and test runs. Powered by machine learning intelligence and state-of-the-art tools.
2
Secure Deploy
Test, execute, and verify deployments and upgrades across chains securely, with adding just 5 lines of code to your existing Hardhat (and soon Foundry) configuration.
config.js deploy.js
// hardhat-config.jsrequire('@openzeppelin/hardhat-upgrades');require('dotenv').config(); module.exports = { defender: { apiKey: process.env.API_KEY, apiSecret: process.env.API_SECRET, }}
import { ethers, defender } from "hardhat"; async function main() { const Box = await ethers.getContractFactory("Box"); const deployment = await defender.deployProxy(Box); await deployment.waitForDeployment(); console.log(`Contract deployed at ${deployment.getAddress()}`); }
3
Monitor, Respond, and Operate
Detect and respond instantly to incidents with the right tools
Monitor
Gain full visibility into your smart contracts' risks and behaviors. Detect threats, get alerts on threats and anomalies, and automatically respond and resolve issues.
Incident Response Workflows
Instantly detect, respond, and resolve threats and attacks with pre-defined actions and scenarios. Conduct attack simulations and test real-world scenarios on a forked network.
Extend the Defender platform with custom code
Use Actions to implement custom app logic for on-chain and off-chain operations. Enable automated response to threats detected by OpenZeppelin's Monitor and Incident Response.
The OpenZeppelin Defender platform
Industry-leading security expertise and world-class intelligence embedded into the developer workflow
400+
Audits Performed
$15B+
Balance held in OpenZeppelin Contracts
100%
Of top 20 DeFi protocols use OpenZeppelin Contracts
Built as the result of 7 years developing and auditing
the world’s most popular smart contracts
“Collaborating with OpenZeppelin on our security audit was a productive and positive experience. We appreciated their thoroughness and attention to detail.”
Yoav Weiss
Security
“OpenZeppelin has been performing excellent work on behalf of the protocol.”
Robert Leshner
CEO
“I have a very high opinion of the OpenZeppelin team and their work.”
Brendan Eich
Founder, creator
"One of the most trusted experts in this space since forever. Their contracts were there and helped me do my job and the reputation is impeccable."
Bruno Barbieri
Lead Development
"We can't wait to see what developers are going to build on Base next, with additional peace of mind provided by OpenZeppelin."
Jessie Pollak
Lead
“Working with OpenZeppelin has given our institutional clients an extra layer of confidence, trust, and ease. As technical partners, they have proven invaluable to helping secure smart contracts built on the network.”
Viv Diwakar
Chief Information Officer at The HBAR Foundation
If there is any other network or layer-2 solution you would like to use in Defender to support, please reach out to us submit a request!
Submit Request
OpenZeppelin Defender
Network Support Request
Got an L1 or L2 EVM-compatible network you want us to support? Great! Feel out this form and our team will review the request and get back to you.
In the meantime, we highly recommend checking out our Private Network feature that allows you to add any EVM-compatible network to your Defender account and use it like any other network.