D4
Compositional Risk
Protocol-intrinsic composition: external dependencies, cross-contract interactions, and integration surface area.
Weight 5%55% confidence
58
Moderate
info
How This Score Is Built
Protocol-intrinsic composition: external dependencies, cross-contract interactions, and integration surface area.
+23Strong positive
+12Positive
+5Slight positive
−15Strong negative
−8Negative
−3Slight negative
Scoring Tree
BRI Formula
300 + 700 × ∏(Dᵢ/100)^wᵢ
776
Current BRI
D4Compositional Risk
Weight 5%
58
(58/100)^0.05 = 0.9731
Contributing Factors
+14Cross-chain message composition is inherently complex
+14Multiple L2 adapters (Optimism, Arbitrum, etc.) - each is a trust boundary
+14Adapter compromise would bypass all on-chain verification
+14MerkleLib used for proof verification - standard but critical dependency
Evidence Sources
Score Composition
+14
Cross-chain message composition is inherently complex
+14
Multiple L2 adapters (Optimism, Arbitrum, etc.) - each is a trust boundary
+14
Adapter compromise would bypass all on-chain verification
+14
MerkleLib used for proof verification - standard but critical dependency
Evidence Chain (3 files)
GitHub APIMay 17, 2026, 06:58 PM
open_in_newGitHub (/)sha256:fbc0730e9805...
Audit ReportJan 1, 2024, 12:00 AM
Audit ReportOct 1, 2022, 12:00 AM
Score History
No dimension-level score changes recorded yet.
Methodology: 2.1Formula: 1.1Weights: 1.1