BlackHartBlackHart
Scores/Origin Protocol/Provenance/Battle-Tested Maturity
D6

Battle-Tested Maturity

Actuarial credibility model: Z-weighted deployment history, TVL-days, audit depth, bounty coverage, and incident history.

Weight 12%75% confidence
75
Good
info

How This Score Is Built

Actuarial credibility model: Z-weighted deployment history, TVL-days, audit depth, bounty coverage, and incident history.

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

Scoring Tree

BRI Formula
300 + 700 × ∏(Dᵢ/100)^wᵢ
799
Current BRI
D6Battle-Tested Maturity
Weight 12%
75
(75/100)^0.12 = 0.9661
Contributing Factors
+15OUSD live since 2020 (70+ months), OETH since 2023
+15Experienced and survived $7M exploit (learned from it)
+15Multiple redesigns and security improvements post-exploit
+15Multiple audits (OpenZeppelin, Trail of Bits, Certora)
+15Z-factor: 0.945 (from OUSD launch)
Evidence Sources
blackhart_analysisMay 4sha256:9b8fa387dc31....View
defi_llamaMay 17sha256:1043306d04ca....View

Score Composition

+15

OUSD live since 2020 (70+ months), OETH since 2023

Strong positiveopen_in_newDeFi LlamaMay 4, 2026
+15

Experienced and survived $7M exploit (learned from it)

Strong positiveopen_in_newDeFi LlamaMay 4, 2026
+15

Multiple redesigns and security improvements post-exploit

Strong positiveopen_in_newDeFi LlamaMay 4, 2026
+15

Multiple audits (OpenZeppelin, Trail of Bits, Certora)

Strong positiveopen_in_newDeFi LlamaMay 4, 2026
+15

Z-factor: 0.945 (from OUSD launch)

Strong positiveopen_in_newDeFi LlamaMay 4, 2026

Evidence Chain (2 files)

GitHub APIMay 17, 2026, 06:58 PM
open_in_newGitHub (/)
sha256:1043306d04ca...
BlackHart AnalysisMay 4, 2026, 06:00 PM
open_in_newBattle-Tested Maturity — DeFi Llama
sha256:9b8fa387dc31...

Score History

No dimension-level score changes recorded yet.

Methodology: 2.1Formula: 1.1Weights: 1.1