Secure your smart contracts.
Top auditors compete to keep high severity bugs out of production.
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1,365
unique high-severity vulns
25,152
unique findings
10,409+
registered wardens
418
audits completed
Your security partners across the development lifecycle.
Have the best security researchers give deep analysis with a consultative Zenith audit. Then simulate real conditions, with hundreds of auditors competing to find vulnerabilities. With Code4rena, you can deploy to mainnet with peace of mind.
C4 Zenith
Get a consultative audit from the very best, curated for you and incentivized for peak performance.
Competitive audit
We invented the format that disrupted the web3 industry. Find out why top protocols trust C4.
Leading crypto projects choose Code4rena
Active audits

Currently finding the highest-severity vulnerabilities for:

Concrete

The DeFi Liquidity Metalayer - powering the creation and trading of on-chain derivatives.

EVM

Solidity

$112,500 in USDC

Nibiru

Nibiru Chain is a smart contract ecosystem with a high-performance, EVM-equivalent execution layer (Nibiru EVM).

EVM

GO

$70,000 in USDC

Chainlink

A global standard for developers to easily build secure cross-chain services and applications.

EVM

Solidity

$235,000 in USDC

Upcoming audits

MANTRA

Bringing the world’s financial ecosystem onchain

Cosmos

GO

$100,000 in USDC

SecondSwap

Unlock liquidity for illiquid assets.

EVM

Solidity

$35,000 in USDC

Chainlink Payment Abstraction

Payment Abstraction: a core component of the Chainlink billing system

EVM

Solidity

$100,000 in USDC

$25,000 in USDC

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