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:

Active MR Audit

An active mitigation review audit. At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas.

EVM

Solidity

$29,000 in USDC

Active Open Audit

An active, open, competitive audit. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil.

EVM

Solidity

$112,500 in USDC

Eek! At the sample.

This is the 2023-01-sample-data-e sample data contest (status: live / type: certified).

EVM

Solidity

555 beastly markies

f

This is the 2023-01-sample-data-f sample data contest (status: live / type: consensus).

EVM

Solidity

Six million samtoshies

Upcoming audits

Sample, eh? — upcoming copy

This is the 2023-01-sample-data-a sample data contest (status: upcoming / type: public).

Cosmos

GO

2 monies

Eek! At the sample. — upcoming copy

This is the 2023-01-sample-data-e sample data contest (status: upcoming / type: certified).

EVM

Solidity

555 beastly marks

these are dee samples — upcoming copy

This is the 2023-01-sample-data-d sample data contest (status: upcoming / type: versus).

EVM

Solidity

42 coin

Sample Bee 🐝 (← it me) — upcoming copy

This is the 2023-01-sample-data-b sample data contest (status: upcoming / type: bot).

EVM

Solidity

20000 USD

f — upcoming copy

This is the 2023-01-sample-data-f sample data contest (status: upcoming / type: consensus).

EVM

Solidity

Six million samtoshies

Don’t just take our word for it.

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