C4 audit contests find more bugs faster than any other method.
Start your audit within 48 hours. Seriously.
Join #i-want-an-audit in Discord
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Protect the DeFi ecosystem from threats by auditing code.
Sponsors
Create prize pools to attract wardens to audit their project.
Judges
Allocate awards to wardens based on performance.
$150,000 USDC Aura Finance contest
Providing optimal incentives for VotingEscrow systems.
0 days + 11 14 30 until contest ends
$1,000,000 USDC OpenSea Seaport contest
A marketplace contract for safely and efficiently creating and fulfilling orders for ERC721 and ERC1155 items.
9 days + 18 14 30 until contest ends
$50,000 USDC Rubicon contest
An order book protocol for Ethereum, built on L2s.
3 days + 18 14 30 until contest ends
$75,000 USDC Velodrome Finance contest
A base layer AMM on Optimism, inspired by Solidly.
5 days + 18 14 30 until contest ends
Upcoming Contests
$70,000 USDC ChainSafe contest
An interoperability layer enabling seamless cross-chain web3 dApp development.
7 day contest
6 days + 18 15 30 until contest starts
The crowd goes wild
This result far exceeded previous experiences I’ve had with 2–4 week-long audits by individual companies. I highly recommend the Code 423n4 competitive audit approach for anyone starting a new project.
Speaking of bold & ambitious security projects, another one is @code423n4 — "a community-driven approach to competitive smart contract audits," with sponsors like @SlingshotCrypto @maplefinance @NFTX_ & @yield.
It's a great place for aspiring auditors to compete & learn 🐞🧐🔐💰
Great work everyone! This was a fantastic experience.
Overall, I have to say you guys have some very smart folks and some of the findings identified are quite good! Definitely a much better experience than the traditional audit we had gone through.
Amazing response for @code423n4 sponsorship. Great community @scott_lew_is @0xzak has built. This will change the future of the auditing industry.
Furthering deflationary $ETH on top of #eip1559 , I'll be sponsoring an additional 1000 VETH to wardens of @VaderProtocol https://t.co/99a9N0ZTAH
Awesome job wolf pack! 🐺 🐺 🐺
Special Thanks to @cmichelio @shw9453 @0xRajeev from @FairSideNetwork
You guys did NOT disappoint @0xzak @scott_lew_is Keep crushing it! 👏 👏 👏 https://t.co/RU2nSQCOxG
Want to give a massive shout out to all the wardens that took part in the Reality Cards contest last week- you guys found some really amazing stuff- so good that we're considering doing a second round! 🤣thanks so much guys!
Breadth and depth.
We got some wardens that looked at every line of the code for common mistakes. We got wardens that looked for economic attacks. We got trained auditors going by the book, and we got rookies with unbounded hunger to find bugs. I feel we got an excellent audit.
And the results.
I can't give details yet, but there were two big issues that would have been fatal, about six that would have been uncomfortable, and about 30 that were just unaesthetic.
We got our money's worth. Don't go out into the wild without an audit. pic.twitter.com/DIm992DxNP
C4 contests attract new, unique and complicated projects so it is a perfect learning opportunity... Here projects seriously invest in their security so it is always a motivation to try my best to find bugs in their code.