OpenZeppelin

About

OpenZeppelin is a blockchain security company whose website is operated by Zeppelin Group Ltd, a company incorporated in England and Wales with a registered address in London, United Kingdom. It provides smart contract security audits and a continuous security program, and describes services across the security lifecycle, from architecture to support. Audits combine static analysis, manual inspection and review of system design, and the company states that it reviews code written in Solidity, Cairo, Rust and Go. Its site groups audit experience by project type, including decentralized exchanges, layer 1 and layer 2 networks and bridges, lending protocols, oracles, account abstraction, stablecoins and governance. OpenZeppelin also maintains the open-source OpenZeppelin Contracts library for smart contract development, together with the Contracts Wizard, upgrade plugins, a relayer, a monitor and the Ethernaut security CTF. Its network pages include Ethereum, Arbitrum, Base, OP Mainnet, ZKsync, Starknet and Sui. Public audit reports are published in the research section of its website.

At a glance

• Audits smart contracts written in Solidity, Cairo, Rust and Go
• Maintains the open-source OpenZeppelin Contracts library and Contracts Wizard
• Offers a continuous security program in addition to one-off audits
• Runs the Ethernaut smart contract security CTF
• Publishes public audit reports in the research section of its site

OpenZeppelin: frequently asked questions

What services does OpenZeppelin offer?

According to its public information, OpenZeppelin offers: Audit.

Which blockchains does OpenZeppelin work with?

OpenZeppelin works with Ethereum, Arbitrum, Optimism, Base, ZKsync, Starknet, and Sui.

Which smart contract languages does OpenZeppelin use?

OpenZeppelin works with Solidity, Cairo, Rust, and Go.

Where is OpenZeppelin based?

OpenZeppelin is headquartered in United Kingdom.

Is OpenZeppelin verified on smart-contract.com?

Not yet. This listing was compiled from public information and OpenZeppelin has not claimed it or gone through the vetting process of smart-contract.com.

How can I get a quote from OpenZeppelin?

Describe your project once on smart-contract.com: you receive comparable quotes from vendors that match it, in the same format. Development and audit are always entrusted to two independent companies.