What it is
ZKsync Era runs a continuous bug bounty programme on Immunefi, open to any security researcher with no application or invitation needed. It has been live since 10 March 2023 and is listed on Immunefi's index of active programmes.
What it pays
Maximum payout is 300,000 USD. Rewards are published per asset type
Blockchain/DLT
- Critical: 50,000 USD flat
- High: 5,000 USD flat
Smart Contract
- Critical: 100,000 to 300,000 USD
- High: 20,000 to 50,000 USD
- Medium: 5,000 USD flat
- Low: 1,000 USD flat
KYC is required before a reward is released.
Scope
131 assets are in scope. The programme page carries the full asset list, severity definitions and submission rules, and was last updated on 06 August 2026.