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rubric v1.7.0

Bridge validator-set rotation recency

Circle USYC's assessment for RD-F-155 — scored not_applicable on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Taxonomy mismatch: no independent validator set exists. CCTP attestation is Circle-controlled. Circle can update its attestation infrastructure without an on-chain validator-set rotation event. Factor measures independent-validator-set rotation recency. Not applicable; the relevant administrative control risk is assessed under Cat 2.

Sources #

  • Curator note
    CCTP Architecture AssessmentCCTP architecture: Circle sole attestation entity; no on-chain validator-set rotation events to trackretrieved 2026-05-16

Methodology #

Measure the number of months since the last validator-set change for the bridge.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol circle-usyc factor RD-F-155 score not_applicable collected_at 2026-05-15 21:56:43