New Attackathon
Ethereum Foundation logo

Join us in making a collaborative effort of securing the Ethereum protocol together with the Ethereum Foundation.

10
Days
:
09
Hours
:
40
Minutes
Until sponsorship ends
Sponsor this Attackathon

Web3's leading bug bounty platform, protecting $190 billion in user funds

$100,000,000+
in bounties paid out
$165,943,874
in bounties available
$25,000,000,000+
in hack damage averted
Trusted by
LayerZero_Logo_Full.svg
OPTIMISM-W.svg
Logo_Maker_White.svg
chainlink-logo.png

Hackers subscribed to our newsletter are more likely to earn a Bounty

  • LayerZero (The World's Largest Bounty)
    LayerZero (The World's Largest Bounty)
    Name
    $15,000,000
    Rewards up to
    Smart Contract
    Technology
    View bounty
  • MakerDAO
    MakerDAO
    Name
    $10,000,000
    Rewards up to
    Smart Contract, Websites and Applications
    Technology
    View bounty
  • SparkLend
    SparkLend
    Name
    $5,000,000
    Rewards up to
    Smart Contract, Websites and Applications
    Technology
    View bounty
  • Reserve
    Reserve
    Name
    $5,000,000
    Rewards up to
    Smart Contract
    Technology
    View bounty
  • Wormhole
    Wormhole
    Name
    $5,000,000
    Rewards up to
    Smart Contract, Blockchain/DLT
    Technology
    View bounty

For Hackers

Hack DeFi, save users from theft, and get paid doing it. Sign up to Immunefi as a hacker.

Sign up

For Projects

Secure your project against catastrophic exploits with DeFi's leading security talent.

Learn how

Trusted Partners

Together, we are stronger.

Sigma PrimeSigma Prime

Sigma Prime is a leading blockchain security and research firm with an extensive history in decentralized technology.

ZellicZellic

Zellic specializes in securing emerging technologies.

HalbornHalborn

A blockchain security firm with full-stack security solutions. Protect your project with our smart contract audits, pentesting, and code reviews.

Mad ShieldMad Shield

A top-tier, highly trust-worthy and professional Solana auditing platform for the future decentralized economy.

Asymmetric ResearchAsymmetric Research

A boutique security venture focused on deep partnerships with L1/L2 blockchains and DeFi protocols in an effort to keep them safe.