BlackHartBlackHart
Scores/Coinbase/Provenance/Compositional Risk
D4

Compositional Risk

Protocol-intrinsic composition: external dependencies, cross-contract interactions, and integration surface area.

Weight 5%78% confidence
78
Good
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
730
Current BRI
D4Compositional Risk
Weight 5%
78
(78/100)^0.05 = 0.9877
Contributing Factors
+20cbETH is standalone ERC-20 with minimal external deps
+20Base inherits OP Stack (Bedrock) — well-audited
+20Smart Wallet has ERC-4337 + WebAuthn dependencies
+20Cross-chain replay risk on Smart Wallet (PRIM-001)
Evidence Sources
blackhart_analysisMay 4sha256:565a9679f9e3....View
blackhart_analysisMay 17sha256:2ad0c03c408e....View

Score Composition

+20

cbETH is standalone ERC-20 with minimal external deps

Positiveopen_in_newSource CodeMay 4, 2026
+20

Base inherits OP Stack (Bedrock) — well-audited

Positiveopen_in_newSource CodeMay 4, 2026
+20

Smart Wallet has ERC-4337 + WebAuthn dependencies

Positiveopen_in_newSource CodeMay 4, 2026
+20

Cross-chain replay risk on Smart Wallet (PRIM-001)

Positiveopen_in_newSource CodeMay 4, 2026

Evidence Chain (2 files)

GitHub APIMay 17, 2026, 06:58 PM
open_in_newGitHub (/)
sha256:2ad0c03c408e...
BlackHart AnalysisMay 4, 2026, 02:00 PM
open_in_newCompositional Risk — Source Code
sha256:565a9679f9e3...

Score History

No dimension-level score changes recorded yet.

Methodology: 2.1Formula: 1.1Weights: 1.1