OpenZeppelin

The standard for secure blockchain applications.

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Overview

OpenZeppelin provides a library of modular, reusable, and secure smart contracts for the Ethereum network, written in Solidity. It also offers security audit services for blockchain applications. The OpenZeppelin Contracts library is the de facto standard for secure smart contract development.

✨ Key Features

  • Library of secure and community-vetted smart contracts.
  • Implementation of standards like ERC20, ERC721, and ERC1155.
  • Tools for access control, security, and governance.
  • Upgrades plugin for deploying and managing upgradeable smart contracts.
  • Security audit services.

🎯 Key Differentiators

  • Industry-standard library of reusable smart contracts.
  • Strong focus on security and community vetting.
  • Reputation for high-quality security audits.

Unique Value: Provides a foundation of secure, audited, and community-vetted smart contracts, enabling developers to build secure blockchain applications faster and with less risk.

🎯 Use Cases (4)

Building secure dApps Creating tokens (fungible and non-fungible) Implementing access control and governance mechanisms Developing upgradeable smart contracts

✅ Best For

  • Development of major DeFi protocols
  • Creation of widely adopted NFT projects
  • Building secure enterprise blockchain solutions

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Projects that require highly custom and non-standard contract logic from scratch

🏆 Alternatives

ConsenSys Diligence Trail of Bits CertiK

While security audit firms provide similar services, OpenZeppelin's free and open-source contract library is a unique and invaluable resource for the entire developer community.

💻 Platforms

API

✅ Offline Mode Available

🔌 Integrations

Truffle Suite Hardhat Foundry Remix IDE

🛟 Support Options

  • ✓ Email Support
  • ✓ Live Chat
  • ✓ Dedicated Support (Enterprise tier)

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: The OpenZeppelin Contracts library is open-source and free to use.

Visit OpenZeppelin Website →