The security partner trusted by the world's leading financial institutions and blockchain protocols
When institutions and protocols need to protect billions in assets, they choose OpenZeppelin. We set the standards the industry is built on.
Trusted by leading financial institutions and blockchain protocols
Total value transferred via OpenZeppelin Contracts Explore Stats
$38,992,151,598,624
Setting the industry standards since 2015
From the earliest days of smart contracts, we created OpenZeppelin Contracts, the open-source smart contract library that became the industry standard.
Today, trillions of dollars in total value have been transferred through OpenZeppelin Contracts, with hundreds of billions in total value locked in smart contracts importing OpenZeppelin features.
10,000+ Total Vulnerabilities Identified
$250B+ in Digital Assets Secured
900+ Security Engagements Completed
The protocols securing billions build with OpenZeppelin
From top DeFi protocols like Aave, Lido, Uniswap, EigenLayer, Maple, and Pendle to major stablecoins and tokenized funds—the industry's most critical infrastructure is built on OpenZeppelin standards.
9 of the Top 10 Stablecoins
by market capitalization build with OpenZeppelin Contracts
- Anchorage Digital USDTB
- BitGo USD1
- Circle USDC
- Ethena USDe
- Falcon USD
- Paxos Global Dollar
- PayPal USD
- Ripple RLUSD
- Sky USDS
10 of the Top 10 Tokenized Funds
by market capitalization built with OpenZeppelin Contracts
- BlackRock BUIDL
- Centrifuge Anemoy JTRSY
- Circle USYC
- Fidelity Fdit
- Franklin BENJI
- Ondo OUSG
- Ondo USDY
- Superstate USTB
- Theo thBILL
- WisdomTree WTGXX
This is what sets us apart: we didn't just become a security company, we actually established the foundation everyone builds on. When you work with OpenZeppelin, you're working with the team that defined what secure smart contracts look like.
Customers
Trusted by industry leaders
From critical blockchain infrastructure and DeFi protocols to global financial institutions, the organizations shaping blockchain's future rely on OpenZeppelin's expertise.
Setting tomorrow's standards today
OpenZeppelin actively contributes to shaping new blockchain standards across critical emerging areas:
Tokenization & Real World Assets
- Security token frameworks
- Building compliant security token frameworks including ERC-3643 (T-REX) for regulated exchanges.
- 3643 Association member
- Member of the 3643 Association alongside major blockchain companies and financial institutions.
Privacy
- Confidential fungible tokens
- Co-authoring ERC-7984 (Confidential Fungible Token) for encrypted balances and confidential transfers.
- Email-based identity
- Co-authoring ERC-7969 (DKIM Registry) for email-based identity verification.
- Confidential Token Association
- Founding member of the Confidential Token Association.
- Private shared state
- Advancing Private Shared State coordination and Confidential Multisig capabilities.
Chain Abstraction
- Crosschain coordination
- Leading cross-chain coordination through the Open Intents Framework with contributions to ERC-7683 (Cross Chain Intents) and ERC-7888 (Cross Chain Broadcaster).
- Messaging gateway
- Co-authoring ERC-7786 for a unified crosschain messaging gateway.
- Readable signatures & batching
- Co-authoring ERC-7739 (Readable Typed Signatures) and ERC-7821 (Minimal Batch Executor).
- Modular smart accounts
- Building modular Smart Account standards that work across multiple ecosystems.
- Signature verifiers
- Authoring ERC-7913 to standardize signature-verification logic.
Your security partner, not just a vendor
OpenZeppelin empowers financial institutions and blockchain organizations to operate securely onchain. From protocol launches to enterprise-grade infrastructure, we deliver the expertise, compliance readiness, and trust required to protect digital assets at scale.