Protocol essentials

The LOOP Protocol defines how city loops federate.

Explore the specification, changelog, and security requirements that guide implementations. This is an early, low-TRL concept with no public pilots yet.

Protocol scope

Normative requirements and flows for interoperability across cities.

Federation
Cross-city interoperability and syncing
Security
Disclosure, cryptography, and operator guidance
Governance
RFC process and change control

Protocol references

Specification v0.1

Normative requirements, API endpoints, and federation flows.

Open specification

Changelog

Track released changes and planned updates.

Open changelog

Security policy

Disclosure process, cryptography, and operator requirements.

Open security policy
Express interestJoin the public interest list