Overview
News
Technologies
Salaries
Products
People
Growth
Jobs
Financials

Overview

OpenZeppelin is a smart contract security company founded in 2015 with origins in Buenos Aires. Its open-source contract libraries are the de facto standard for token and access control implementations across Ethereum and compatible chains. The firm also performs audits and sells Defender, a platform for secure contract operations, upgrades and incident response.

News

News openzeppelin.com 4 months ago
$292 Million Lost, Zero Bugs Found: Lessons From the rsETH Bridge Exploit
An attack involving KelpDAO, LayerZero, and Aave lost $292M not from a bug, but a single misconfigured bridge verifier. Why smart contract audits don
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News Cointelegraph 5 months ago
OpenZeppelin says EVMbench's Dataset Contains Training Data Leaks
OpenZeppelin questioned OpenAI's recent EVMbench results after finding that the AI models were likely exposed to vulnerability reports during pretraining.
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News openzeppelin.com 11 months ago
Interactive Sigma Proofs and Fiat-Shamir Transformation Proof of Concept Implementation Audit
Security audit of IETF Fiat-Shamir transformation standard finds robust protections against nonce-reuse, proof-malleability, and replay attacks. Smart Contracts Audit
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Technologies

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Tech DNA
Move
Solidity
Cairo
Anchor
Cosmos SDK
Claude
Web3
Move
Solidity
Cairo
Rust
Aave
Aptos
DeFi
Ethereum
OpenZeppelin
Smart Contracts
Starknet
Stellar
Uniswap
OpenZeppelin Cairo
Arbitrum
Solana
Anchor
Token Standards
Aleo
Axelar
Cardano
Chainlink
Chainlink CCIP
LayerZero
Tokenomics
Wormhole
Cosmos
Cosmos SDK
Foundry
Sui
Certora
Echidna
Halmos
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Anthropic
Model Context Protocol
Tokenization
Other
Go
Threat Modeling
Stack modernity Cutting-edge AI adopter
76/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Move 3 jobs Optional
Cairo 3 jobs Required
Solidity 3 jobs Required
Stellar 3 jobs Required
Aptos 3 jobs Required
Aave 3 jobs Required
OpenZeppelin 3 jobs Required
Starknet 3 jobs Required
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Claude
10%
Go
9%
Claude Code
7%
Cursor
6%
Model Context Protocol
5%
Rust
4%
Share of companies in the same industry that use each technology.
Stack changes
Model Context Protocol Aug 2026
Anthropic Aug 2026
Threat Modeling Aug 2026
Sui Aug 2026
Halmos Aug 2026
Go Aug 2026
Foundry Aug 2026
Echidna Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.

Growth

Hiring Momentum
38/100
Slowing
Open positions
3
0 opened / 0 closed in 30 days
ATS activity
Every ~1 days
08/31/2026
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Security
100%
Activity Timeline
Added Cairo to stack Aug 2026
Added Solidity to stack Aug 2026
Added Rust to stack Aug 2026
Added Uniswap to stack Aug 2026
Added Token Standards to stack Aug 2026
Added Stellar to stack Aug 2026
Added Starknet to stack Aug 2026
Added Solana to stack Aug 2026
Added Smart Contracts to stack Aug 2026
Added OpenZeppelin Cairo to stack Aug 2026
Added OpenZeppelin to stack Aug 2026
Added Move to stack Aug 2026

Jobs

Lead Blockchain Security Developer (Canton)

Verified live · 1 hour ago 5 days ago
Remote • Contractor • 3+ years exp
Move
Solidity
Cairo
OpenZeppelin Cairo
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Tokenization
Anthropic
Model Context Protocol
Web3
Aave
Aleo
Aptos
Arbitrum
Axelar
Cardano
Chainlink
Chainlink CCIP
DeFi
Ethereum
LayerZero
OpenZeppelin
Smart Contracts
Starknet
Stellar
Tokenomics
Uniswap
Wormhole
Apply

Principal Security Engineer (Solana)

Verified live · 1 hour ago 18 days ago
$109k – $243k per year (Estimated) • Remote • Contractor • 3+ years exp
Move
Rust
Solidity
Cairo
OpenZeppelin Cairo
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Anthropic
Model Context Protocol
Web3
Aave
Anchor
Aptos
Arbitrum
DeFi
Ethereum
OpenZeppelin
Smart Contracts
Solana
Starknet
Stellar
Token Standards
Uniswap
Apply

Blockchain Security Researcher - Future Openings

Verified live · 1 hour ago 18 days ago
Remote • Contractor
Cairo
Go
Move
Rust
Solidity
OpenZeppelin Cairo
Solidity
Certora
Echidna
Halmos
Cybersecurity
Threat Modeling
Web3
Aave
Aptos
Cosmos
Cosmos SDK
DeFi
Ethereum
Foundry
OpenZeppelin
Smart Contracts
Solana
Starknet
Stellar
Sui
Uniswap
Apply