generated: '2026-08-02'
method: searched
probe: true
source: https://www.blockchain.com/.well-known/security.txt
security_txt: well-known/blockchain.com-security.txt
policy:
- https://bugcrowd.com/engagements/blockchain-dot-com
- https://hackenproof.com/programs/blockchain-dot-com
contact:
- https://hackerone.com/blockchain
bug_bounty:
  programs:
  - platform: HackerOne
    url: https://hackerone.com/blockchain
    role: contact
  - platform: Bugcrowd
    url: https://bugcrowd.com/engagements/blockchain-dot-com
    role: policy
  - platform: HackenProof
    url: https://hackenproof.com/programs/blockchain-dot-com
    role: policy
rfc9116:
  conforms: true
  fields_present: [Contact, Canonical, Policy]
  fields_missing: [Expires, Encryption, Preferred-Languages, Acknowledgments, Hiring]
  note: >-
    RFC 9116 requires an Expires field; the published document omits it. Both
    www.blockchain.com and blockchain.info serve the same body, and Canonical
    points at https://www.blockchain.com/.well-known/security.txt.
evidence:
- source: well-known/blockchain.com-security.txt
  kind: security.txt
- source: https://www.blockchain.com/.well-known/security.txt
  kind: live fetch
  http_status: 200
  content_type: text/plain
- source: https://blockchain.info/.well-known/security.txt
  kind: live fetch
  http_status: 200
  content_type: text/plain