Bridge uses same key custody for >30% validators

Spark Protocol's assessment for RD-F-156 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Finality times for non-Ethereum chains via SkyLink are unclear in public documentation. Different chain settlement times create uncertainty for users about when cross-chain transfers are finalized.

Sources #

Governance
https://forum.skyeco.com/t/technical-scope-of-the-new-skylink-bridge-to-plasma/27850retrieved 2026-04-21

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 spark factor RD-F-156 score yellow collected_at 2026-04-27 01:00:42