The standard for secure decentralized applications

Zeppelin builds key infrastructure to develop and operate smart contract systems.
We also conduct security audits of decentralized applications.

Networks worth over $4.5 billion have been built with our systems.

We build open source infrastructure

Zeppelin makes it easier for developers to write complex applications on top of public blockchains, removing the cumbersome barriers to entry.

/ FRAMEWORK

OpenZeppelin

A framework of modular, reusable, secure smart contracts for the Ethereum network, written in Solidity.
/ PLATFORM

ZeppelinOS

A distributed platform of tools and services to develop and manage smart contract applications securely.

We conduct in-depth system security audits

Hire the leading firm in the industry to make sure your decentralized application will behave as expected. We specialize in auditing high-impact smart contract systems.

THE WORLD’S LEADING PROJECTS TRUST ZEPPELIN

We set ever-higher standards for the industry

$600+ million

raised through our audited systems

$4.5+ billion

in digital assets powered by our contracts

“I have a very high opinion of the Zeppelin team.”

Brendan Eich founder of and