Package

openzeppelin-solidity

Secure Smart Contract library for Solidity

v3.4.2, 26 Aug 2021MIT-Types: NoneBlockchain and Web3 Security

$ npm install openzeppelin-solidity

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 25.4k; -5% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 5 years ago; v3.4.2
GitHub stars: 27.3k; 12.4k forks
Open issues / PRs: 214 / 143
Contributors: -
Commits, last 52 weeks: 251

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

25,420 downloads last week, 104,228 in the last month. The 12-month change of -5% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 3.4.2, 26 Aug 20215 years ago
First published: -
Last push to GitHub: 25 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 214
Open pull requests: 143
Commits, last 52 weeks: 251
Dependents on npm: 372

Major versions

Recent releases

Compatibility

Module format: -Not determined from package.json
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 1.3 MB
Dependencies (0): None

Install

npm install openzeppelin-solidity

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/openzeppelin-solidity@3.4.2/
unpkghttps://unpkg.com/openzeppelin-solidity@3.4.2/
esm.shhttps://esm.sh/openzeppelin-solidity@3.4.2

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
truffle-flattener Truffle Flattener concats solidity files developed under Truffle with all of their dependencies	7.4k	-	4 years ago	-	-
@nomiclabs/hardhat-solhint Hardhat plugin for solhint	12.7k	-	6 months ago	CommonJS	-
@nomicfoundation/ignition-core Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the deployment and execution, Hardhat Ignit	93.7k	-	1 month ago	ESM only	-
@nomicfoundation/hardhat-ignition Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the deployment and execution, Hardhat Ignit	92.8k	-	2 months ago	ESM only	-
@nomicfoundation/hardhat-ignition-ethers The Ethers extension to Hardhat Ignition. Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over t	77.6k	-	3 months ago	ESM only	-
@nomicfoundation/hardhat-ignition-viem The Viem extension to Hardhat Ignition. Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the	18.6k	-	3 months ago	ESM only	-
hardhat-contract-sizer Output Solidity contract sizes with Hardhat	34.6k	-	1 year ago	CommonJS	-
hardhat-abi-exporter Export Ethereum smart contract ABIs on compilation	6.7k	-	1 year ago	CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.