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rubric v1.7.0

Bridge uses same key custody for >30% validators

Circle USYC's assessment for RD-F-156 — 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. Circle is sole attesting entity. Factor measures key custody co-hosting across independent validators. Not applicable.

Sources #

  • Curator note
    CCTP Architecture AssessmentCCTP architecture: no independent validator set to assess key custody distributionretrieved 2026-05-16

Methodology #

Determine whether >30% of bridge validators share a single key custodian.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol circle-usyc factor RD-F-156 score not_applicable collected_at 2026-05-15 21:56:43