Free: up to 10 team members, 1 page, 50 facts. Small Teams: €9/month (4 team members included, +€3 per extra), 200 pages, 5,000 facts. Large Teams: €49/month (20 team members included, +€2 per extra), unlimited pages, 50,000 facts. Yearly billing available at €90/year and €490/year.
Key features
Offline verification in milliseconds
Cryptographic passports for agents
Revocation under 60 seconds
Authority classes and assurance tiers
No central authority calls required
Local registrar lifecycle
Request signing with short-lived keys
Public conformance testing
Fail-closed HTTP gating
Appeal mechanism for revocation
Shared fact management across team AI tools
Granular read and write permissions per page
Export as Markdown or JSON
Per-workspace encryption
Works with Claude, ChatGPT, Cursor, Copilot and MCP-compatible tools
No installation required, connector-based setup
API support for automated exports
Sealed pages unreadable even to Brainpot staff
What makes it different
Neutral non-profit root barred by charter from issuing credentials or computing scores
Fully open standard with published conformance vectors and reproducible releases
Verification runs offline without phoning home to any authority
Four independent implementations agreeing on all conformance vectors
Public recorded ceremony to establish the root across independent custodians
No token costs; Brainpot runs no AI and integrates with existing tools
Full data control with 90-day grace period after cancellation