BlackHartBlackHart
Scores/Coinbase/Provenance/Oracle Integrity
D3

Oracle Integrity

Oracle architecture, manipulation resistance, staleness protection, fallback mechanisms, and feed redundancy.

Weight 13%75% confidence
68
Moderate
info

How This Score Is Built

Oracle architecture, manipulation resistance, staleness protection, fallback mechanisms, and feed redundancy.

+23Strong positive
+12Positive
+5Slight positive
−15Strong negative
−8Negative
−3Slight negative

Score Composition

-16

No Chainlink, no TWAP, no on-chain verification

Strong negativeopen_in_newSource CodeMay 4, 2026
-16

Centralized oracle is trust assumption, not safety property

Strong negativeopen_in_newSource CodeMay 4, 2026
+34

cbETH exchange rate set by Coinbase internal oracle

Strong positiveopen_in_newSource CodeMay 4, 2026
+34

Base uses standard OP Stack state root oracle

Strong positiveopen_in_newSource CodeMay 4, 2026

Evidence Chain (2 files)

GitHub APIMay 17, 2026, 06:58 PM
open_in_newGitHub (/)
sha256:ee8642b8655e...
BlackHart AnalysisMay 4, 2026, 02:00 PM
open_in_newOracle Integrity — Source Code
sha256:3faa4fbf2efa...

Score History

Automated pipeline dimension update
Automated pipeline dimension update
Automated pipeline dimension update
Automated pipeline dimension update