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Nimbus Wallet

Live
by Nimbus Wallet Inc.

Self-custodial smart wallet with passkey recovery.

WalletTypeScriptBESC HyperchainEthereumPolygon
Max bounty
$100,000
Unfunded

Proof-of-Concept requirements

  • POC-1Reports must include a screen recording or scripted reproduction on the latest public release.
  • POC-2Key-extraction claims must demonstrate extraction from a device the attacker does not physically control.

Testing restrictions

Allowed: Local mainnet fork (Foundry/Anvil, Hardhat) · Project-provided staging deployment

  • TEST-1Testing on mainnet or public testnet deployed code is prohibited; use local forks.
  • TEST-2Testing against pricing oracles or third-party smart contracts is prohibited.
  • TEST-3Phishing, social engineering and physical attacks are prohibited.
  • TEST-4Denial-of-service attacks against project infrastructure are prohibited.

Policies

Duplicate policy

The first report that identifies a root cause is eligible. Later reports sharing the same root cause are duplicates, even when they describe a different attack path, unless they demonstrate a materially higher impact.

Known-issues policy

Issues listed in published audits or recorded as known-issue commitments before the submission timestamp are ineligible. Commitments may be revealed during a dispute.

Disclosure · 30-day embargo

Public disclosure requires approval from both parties after the fix is deployed and verified. Default embargo: 30 days after fix.

Mediation · 7-day window

Either decision may be escalated to an independent platform mediator within 7 days of the project's final decision. The mediator publishes a reasoned decision to both parties.

Payment · USDC on Polygon · KYC

Rewards are paid in USDC on Polygon within 30 days of retest. KYC is required for payouts above $10,000.

Response SLAs
48h
Acknowledge
168h
Triage
30d
Payout