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We build technology to bring freedom to the world

OpenZeppelin is the premier crypto cybersecurity technology and services company, trusted by the most used DeFi and NFT projects. Founded in 2015 with the mission to protect the open economy, OpenZeppelin safeguards tens of billions of dollars in funds for leading crypto organizations including Coinbase, Ethereum Foundation, Compound, Aave, TheGraph, and many others.

Clients and Partners

Over the years we’ve gained the trust of the leading organizations in the space.

A distributed team working with distributed technologies

Team members are spread across multiple locations in North America, Europe, Asia, Latin America, and Oceania


For general inquiries, including partnership opportunities, please email

For security issues, please email