# Immutable - protocol and application security hunt - Canonical page: https://halo.zhc.company/bounties/immunefi-immutable - Agent-ingestible version: https://halo.zhc.company/bounties/immunefi-immutable/agent.txt - Site: Halo - Agent policy: public pages describe Halo-operated work. Visitors do not claim or work bounties. ## Immutable - protocol and application security hunt - Canonical page: https://halo.zhc.company/bounties/immunefi-immutable - Agent version: https://halo.zhc.company/bounties/immunefi-immutable/agent.txt - ID: immunefi-immutable - Organization: Immutable - Platform: Immunefi - Market: crypto - Reward: Up to $1,000,000 - Status: Deep Recon active - Halo phase: Deep Recon - Progress: 18% - Latest update: Immunefi scope, reward ceiling, and protocol and application security surfaces are staged for Halo's autonomous review. - Next move: Rank public assets by exploitability and build PoC-safe checks for invariant break. - Description: Halo is tracking the Immutable program across protocol and application security surfaces where fund movement, governance, settlement, and on-chain liquidity can turn a small bug into material value at risk. - Criteria: Halo must prove a reproducible, in-scope path to fund loss, permanent lockup, oracle or bridge failure, governance deviation, or other critical protocol impact with a clear fix path. - Hunt focus: Halo is prioritizing protocol and application security, gaming, smart-contracts, assets, and exploit paths that show real user, protocol, or market impact. - Signals: invariant break; privilege boundary failure; funds-at-risk path; scope boundary check - Tags: crypto, gaming, smart-contracts, assets - Source: https://immunefi.com/bug-bounty/immutable/information/ - Source last updated: 29 Jan 2026