Trusted by the world’s leading projects
Thousands of companies use OpenZeppelin

Uniswap v4 Launches Successfully After OpenZeppelin's Comprehensive Security Review
101
Total Issues Uncovered
11
Critical & High Vulnerabilities Uncovered

ZKsync's Continuous ZK Innovation Success Secured by 3+ Years of Partnership with OpenZeppelin
819
Total Issues Uncovered Across 48 Audits
42
Critical & High Vulnerabilities Uncovered

How Starknet Built a Thriving DeFi Ecosystem with OpenZeppelin's Open Source Developer Stack
$620M
Peak TVL Secured by OpenZeppelin Contracts
55%
of Total Starknet TVL Powered by OpenZeppelin

The impact we bring to our customers
$250B
Total Value Secured
8000+
Total Issues Uncovered
400+
Critical & High Vulnerabilities Uncovered
Customer Stories
Starknet
How Starknet Built a Thriving DeFi Ecosystem with OpenZeppelin's Open Source Developer Stack
Read story
Uniswap
Uniswap v4 Launches Successfully After OpenZeppelin's Comprehensive Security Review
Read storyZKsync
ZKsync's Continuous ZK Innovation Success Secured by 3+ Years of Partnership with OpenZeppelin
Read storyOur customers
The Graph

1inch
The Sandbox
Mountain Protocol
Origin Protocol
Pimlico
Scroll
UMA
Decentraland
Lens Protocol

Morpho
Aave
ANZ
Stellar
Uniswap Labs
Ethereum Foundation
DTCC
Arbitrum
Zama
Polkadot

Fireblocks
ZKsync
Synthetix
Avalanche
Radiant
Ripple
Taiko
BitGo

Uniswap Foundation
Matter Labs
Starknet Foundation
Euler Labs
WisdomTree
Tally
Lombard
Coinbase
Midnight Foundation
Axelar
Sei
Mantle

Dojo
Linea
Lido
Optimism