OpenZeppelin
UnclaimedThe standard for secure onchain applications, enabling building, securing, and operating across 30+ chains.
Visit WebsiteTL;DR - OpenZeppelin
- Provides battle-tested smart contract libraries for secure onchain development.
- Offers gold-standard security audits for smart contracts and blockchain infrastructure.
- Includes operational tools for secure transaction management and threat monitoring.
Pricing: Free forever
Best for: Individuals & startups
5.0/5 across review platforms
Pros & Cons
Pros
- Accelerates development with battle-tested contract libraries
- Enhances security through expert audits and vulnerability detection
- Simplifies operations with robust transaction and monitoring tools
- Supports a wide range of blockchain use cases and languages
- Trusted by leading projects in the blockchain space
Cons
- Specific pricing details are not immediately available on the main page
- Requires technical expertise in blockchain development to fully utilize
Ratings Across the Web
5(1 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Smart contract libraries for Solidity and CairoPre-built templates for ERC20, ERC721, ERC1155, and Governor contractsCustomizable smart contract deploymentSecurity audits for smart contracts, ZKP, and infrastructureRelayer for transaction API, secure key storage, and transaction managementMonitor for risk insights, threat detection, alerting, and anomaly resolutionSupport for over 30 mainnet and testnet networks
Pricing Plans
Community Public Goods
Free
- Ethernaut CTF
- Authoring and co-authoring numerous EIPs and ERCs
- Contracts Library and Plugins
- Security Standards and Community Initiatives
- Five zero-day vulnerabilities uncovered
- Supporting top protocols to Build, Secure & Operate onchain
About OpenZeppelin
By Toolradar Team·
OpenZeppelin provides a comprehensive suite of tools and services for developing, securing, and operating decentralized applications (dApps) and smart contracts. It offers battle-tested contract libraries for Solidity and Cairo, accelerating development and minimizing risk for various use cases like tokens, DeFi, governance, gaming, and NFTs. Developers can leverage pre-built templates for common contract types like ERC20, ERC721, ERC1155, and Governor contracts, and customize them for deployment.
Beyond development, OpenZeppelin specializes in security audits, offering gold-standard code reviews for smart contracts, Zero-Knowledge Proofs (ZKPs), and blockchain infrastructure. Their security researchers identify critical vulnerabilities and protect decentralized systems across multiple languages. For ongoing operations, OpenZeppelin provides tools like Relayer for transaction management and Monitor for risk detection, alerting, and automated threat resolution, supporting over 30 mainnet and testnet networks.
This platform is ideal for blockchain developers, project teams, and organizations building and maintaining secure onchain applications. It streamlines the development lifecycle from initial contract creation to deployment and continuous operation, ensuring high standards of security and reliability.
Reviews
No reviews yet. Be the first to review OpenZeppelin!
Best OpenZeppelin Alternatives
Top alternatives based on features, pricing, and user needs.
AragonPaid
Empowering onchain organizations with modular governance and tokenomics infrastructure.
ThirdwebPaid
Infrastructure for building the next generation of internet products with AI and blockchain.
CelestiaPaid
Fibre optic performance for specialized onchain markets with millisecond latency.
TenderlyFreemium
Accelerate on-chain velocity with a full-stack development platform for Web3 professionals.
MoralisFreemium
Enterprise-grade Web3 APIs for real-time blockchain data, powering wallets, compliance, AI, and next-gen finance.
ChainlinkPaid
The industry-standard oracle platform bridging traditional finance with blockchain.
Particle NetworkFree
Onboard users, accept any digital asset, and ship 100% onchain with universal accounts.
Uniswap LabsPaid
Shape the next era of universal ownership and exchange in a decentralized future.
Explore More
OpenZeppelin FAQ
What types of smart contracts can be built using OpenZeppelin's libraries?
OpenZeppelin's contract libraries support the creation of various smart contracts including tokens (ERC20, ERC721, ERC1155), DeFi protocols, governance systems, stablecoins, gaming assets, NFTs, and bridges.
Which programming languages are supported by OpenZeppelin's contract libraries?
OpenZeppelin provides contract libraries for Solidity and Cairo, catering to a broad range of blockchain development needs.
What kind of security audits does OpenZeppelin perform?
OpenZeppelin conducts gold-standard security audits covering smart contracts, Zero-Knowledge Proofs (ZKPs), and broader blockchain infrastructure to identify and mitigate vulnerabilities.
How does OpenZeppelin's Relayer tool assist in blockchain operations?
The Relayer tool provides a transaction API, secure key storage, and transaction management capabilities, enabling the implementation of transaction policies and reliability mechanisms for smooth and efficient onchain operations.
What is the purpose of OpenZeppelin's Monitor tool?
The Monitor tool offers pre-built templates for risk and behavior insights, facilitating the detection, alerting, and automatic resolution of threats and anomalies within decentralized systems.
How much value has been secured or transferred via OpenZeppelin Contracts?
Over $31 trillion in total value has been transferred via OpenZeppelin Contracts, and over $50 billion in Total Value Locked (TVL) has been secured through their audits.
Source: openzeppelin.com