What it is
Chainlink runs a continuous bug bounty programme on Immunefi, open to any security researcher with no application or invitation needed. It has been live since 11 May 2021 and is listed on Immunefi's index of active programmes.
What it pays
Maximum payout is 3,000,000 USD. Rewards are published per asset type
Smart Contract
- Critical: 100,000 to 3,000,000 USD
- High: up to 75,000 USD
- Medium: up to 10,000 USD
- Low: up to 5,000 USD
Websites and Applications
- Critical: up to 100,000 USD
- High: up to 10,000 USD
- Medium: up to 2,000 USD
- Low: up to 1,000 USD
KYC is required before a reward is released.
Scope
25 assets are in scope. The programme page carries the full asset list, severity definitions and submission rules, and was last updated on 24 July 2026.