Secure your smart contracts.

Top auditors compete to keep high severity bugs out of production.

Start an audit in 48 hours

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:

SecondSwap

Unlock liquidity for illiquid assets.

EVM

Solidity

$35,000 in USDC

Unruggable Invitational

Trustless gateways for ENS cross chain reverse resolution.

EVM

Solidity

$38,000 in USDC

Chainlink Payment Abstraction

Payment Abstraction: a core component of the Chainlink billing system

EVM

Solidity

$100,000 in USDC

MANTRA Chain

Bringing the world’s financial ecosystem onchain

Cosmos

GO

$60,000 in USDC

MANTRA DEX

Cosmos

Rust

$60,000 in USDC

Upcoming audits

BakerFi Invitational

Delivers a cutting-edge DeFi protocol with 1-click strategies and an intuitive interface for easy maximization of returns.

EVM

Solidity

$24,000 in USDC

Pump Science

The only game you can play forever.

Solana

Rust

$20,000 in USDC

Audit 439 Invitational

EVM

Solidity

$25,000 in USDC

BendDAO Invitational

A modular lending protocol that bridges NFT and FT with DeFi primitives

EVM

Solidity

$19,000 in USDC

Don’t just take our word for it.

Are you ready?

The best time to secure your project is now.

Start an audit in 48 hours