---
title: Reference
description: Module documentation, transaction messages, queries, CLI commands, and core concepts for the Sonr blockchain.
icon: "library"
sidebar:
  label: "All Reference"
---

Generated and hand-written reference material for `snrd` and the four chain
modules.

<CardGroup cols={2}>
  <Card title="Concepts" href="/reference/concepts/sonr" icon="lightbulb">
    The chain, the Motor light client, and the SNR token.
  </Card>
  <Card title="Modules" href="/reference/modules/did" icon="boxes">
    `x/did`, `x/dwn`, `x/svc`, and `x/dex` — state, keepers, and events.
  </Card>
  <Card title="Messages" href="/reference/messages/did-create-document" icon="plug">
    Every transaction message across the four modules.
  </Card>
  <Card title="Queries" href="/reference/queries/query-did-resolve" icon="rss">
    Every gRPC and HTTP query endpoint.
  </Card>
  <Card title="CLI commands" href="/reference/commands/snrd" icon="terminal">
    The complete `snrd` command tree with flags and examples.
  </Card>
  <Card title="Security" href="/security/audit-report" icon="shield">
    Audit findings, compliance posture, and cryptographic hardening notes.
  </Card>
</CardGroup>