Help decentralize data, wealth, and power.

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San Francisco, CA, USA · San Francisco, Illes Balears, Spain


Blockchain and Crypto · Information Technology · Professional Services · Security · Software


51-200 employees



founded in


OpenZeppelin builds developer tools and performs security audits for distributed systems that power multimillion-dollar economies. At OpenZeppelin, we have built the world’s leading Open Source library for smart contract development. OpenZeppelin Contracts powers over 3,000 public projects, with over 7,000 stars on Github and maintained by a community of 180+ contributors. We also conduct security audits for the Ethereum Foundation, Coinbase, and other leading organizations in the space. With the success of our product, our security audits work, and our educational efforts, we have set industry standards for building secure systems in a fast-growing industry. We are now excited to offer a development platform that will help the growing number of developers working on top of decentralized protocols build the applications that will reach mass adoption.

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