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Extra Finance

Bug bounty on Immunefi

Accepting reports No KYC Defi Lending Optimism
Top reward
$100,000
Top severity paid
Critical
Assets in scope
8
Public CVEs
0
Last change

At a glance

What to know before you start testing.

Pays up to $100,000
for critical bugs, from $1,000.
Payment
No identity check to get paid.

Rewards

What Immunefi lists as the payout for each severity.

Severity Reward
Critical $100,000 10% of funds at risk · from $15,000
High $15,000 from $3,000
Medium $3,000 from $1,000

Scope

8 assets you may test.

Smart contracts 8

  • https://optimistic.etherscan.io/address/0x0353b6221b23b8320202320ca450eeb9fb0de9e5#code
  • https://optimistic.etherscan.io/address/0x2B275176804dd01b6a90d61bDa3c80E3A470662E#code
  • https://optimistic.etherscan.io/address/0x345D2827f36621b02B783f7D5004B4a2fec00186#code
  • https://optimistic.etherscan.io/address/0xbb505c54d71e9e599cb8435b4f0ceec05fc71cbd
  • https://optimistic.etherscan.io/address/0xC0C88d2752C58263c2b7F4Ac6ecBedC78eDD5d5E#code
  • https://optimistic.etherscan.io/address/0xe0bec4f45aef64cec9dcb9010d4beffb13e91466
  • https://optimistic.etherscan.io/address/0xf9cfb8a62f50e10adde5aa888b44cf01c5957055
  • https://optimistic.etherscan.io/token/0x2dad3a13ef0c6366220f989157009e501e7938f8

Changes

Tracked since 11 Nov 2026. Last checked 1 hour ago.

No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.

Before we tracked it

Scope and reward changes recorded before this page started tracking it.

  1. Scope removed

    https://optimistic.etherscan.io/address/0xc1504B3D0e72C717151957ceb0252FF8f93A9A1e#code

  2. Scope removed

    https://optimistic.etherscan.io/address/0x70Cdb45f5b0660c122708286198446d23872595f#code

  3. Scope removed

    https://optimistic.etherscan.io/address/0x1EEA0464D31F349D31FF7D318ce236F48AD92438#code

  4. Scope removed

    https://optimistic.etherscan.io/address/0x90cF2763CC710B9Ce215584A89c77F70bbb96B44#code

  5. Scope removed

    https://optimistic.etherscan.io/address/0xd4b5D2A9F8e9Ec1883Ef997eB508EA6Cc12B240f#code

  6. Scope removed

    https://optimistic.etherscan.io/address/0xb7d8613728efcfbb18bcd63deec06f64441d322a

  7. Scope removed

    https://optimistic.etherscan.io/address/0x9378C2e058D87DE7F9EDbF3574eD5B4128980ADC#code

  8. Scope removed

    https://optimistic.etherscan.io/address/0xA98cC6031Ba6908d73dC5615ca82B607096D721d#code

  9. Scope removed

    https://optimistic.etherscan.io/address/0x345e8250cb11f61f0d8cfabac6be59a356309a58#code

Public CVEs

Published vulnerabilities in this vendor's products, from the NVD.

No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.