Build Secure Smart Contracts in Solidity

OpenZeppelin Contracts helps you minimize risk by using battle-tested libraries of smart contracts for Ethereum and other EVM blockchains. It includes the most used implementations of ERC standards.

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Total value transferred
via OpenZeppelin Contracts

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$20,460,337,760,351T

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Secure Code

Reduce the risk of vulnerabilities in your applications by using standard, tested, community-reviewed code

Focused on Security

Using top level standard contracts security patterns and best practices.

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Modular Approach

Simple, robust code.
Easy collaboration and auditing.

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Open Source

Community-driven. Used by the biggest players in the industry.

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Build Secure Smart Contracts in Solidity

$20,460,337,760,351T

Reduce the risk of vulnerabilities in your applications by using standard, tested, community-reviewed code

Focused on Security

Modular Approach

Open Source

The world’s leading projects build with OpenZeppelin Contracts

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Join the largest community of smart contract developers