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Certified Variables

TODO: Write content for this page.

Implement certified data for query responses so clients can verify authenticity without making update calls. Cover the certified data API (ic0.certified_data_set), Merkle tree construction for multiple variables, witness generation, and frontend certificate validation. Show both Rust and Motoko patterns.

  • Portal: building-apps/integrations/advanced-calls.mdx (certified variables section)
  • icskills: certified-variables
  • Examples: cert-var (Motoko)
  • Learn Hub: Certified Communication
  • concepts/security — why certification matters
  • guides/frontends/certification — client-side verification
  • reference/ic-interface-spec — certified data API