Overview
OpenZeppelin maintains OpenZeppelin Contracts, an open-source library of audited smart contract components, alongside the Contract Wizard and the Ethernaut training platform.[6] The company is remote-first and reports more than 100 team members across more than 40 countries.[5] Its service lines are smart contract and zero-knowledge proof audits, continuous security programmes, automation tooling and professional services.[5] The company states that its audits have covered more than one million lines of code and uncovered more than 700 critical and high-severity vulnerabilities, and that nine of the ten largest stablecoins by market capitalisation are built with its contracts.[5] Names shown on its homepage include Aave, Uniswap, Coinbase, Fireblocks, DTCC and the Ethereum Foundation.[6]
OpenZeppelin strengths and limitations
Strengths
- Its contract library is the reference implementation many teams already build on
- Security work is the core business rather than an add-on
Limitations
- Focus is on contracts and security; full front-end and product builds are not its main line
- Audit demand can mean long lead times; pricing is not published
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