BlackHartBlackHart
Scores/Across Protocol

Across Protocol

DAMASCUS

Bridge · Multi-chain · $500M+ TVL · 10 contracts

Official site: across.to ↗

776
3004756508251000
Confidence80%
Z-Factor0.80
Updated 2026-06-12Public score

Security Profile

Access Ctrl
72
Economic
68
Oracle
71
Compos.
58
Govern.
68
Maturity
75
Resilience
50
Supply Ch.
69
OpSec
62
Cascade
100
Min
50
Avg
69
Max
100

Audit History

OpenZeppelin
2022-10Report
Trail of Bits
2024-01

Bug Bounty Program

$1,000,000
Max payout on Self-hosted
View Program

Assessment

ENRICHED_FROM_ARCHITECTURE: Well-defended optimistic bridge with mature UMA oracle. Higher BRI than Abracadabra due to stronger defense-in-depth (dispute mechanism, bond requirement, challenge period). Cross-chain composition is primary risk factor keeping it below 700.

Dimension Breakdown

Methodology
10 dimensions · Updated 2026-06-12

Top Score Drivers

Dimensions with the greatest marginal impact on BRI.

Adversarial Resilience
50+34.2 potential
Access Control
72+29 potential
SpokePool admin is cross-domain (HubPool via bridge) - strong access control
Economic Soundness
68+24.5 potential
Bond requirement makes malicious proposals economically costly
Operational Security
62+23.3 potential
No branch protection detected
Oracle Integrity
71+21.7 potential
UMA optimistic oracle is battle-tested dispute resolution

Adversarial Risk Signals

Publicly verifiable security posture indicators.

Disclosure HistoryNot Assessed
Remediation VelocityNot Assessed
Bug Bounty ProgramNot Assessed
Audit CoverageNot Assessed
Incident HistoryNot Assessed
Deployed 2021-11-0110 dimensionsProvenance Ledger
methodology v2.1formula v1.1weights v1.1evidence sha256:sha256:7...

Score History & Verification

Score provenance tracking begins with the next reassessment.

Full provenance ledger

On-Chain Data

Protocol Slug
"across"
Oracle
BRORegistry (Base)
Evidence
IPFS (pinned)
Staleness Threshold
24 hours
Read Score
registry.getScore("across")
Reduce exploitable risk

Continuous adversarial analysis, vulnerability detection, and verified reassessment.

Embed this score

Live, updates automatically. Free for any site. Click-through links open the full report on BlackHart.

Public
Style
Theme
Format
Preview
Copy iframe code
<iframe
  src="https://blackhart.io/embed/oracle/across?variant=card&theme=dark"
  title="BlackHart Risk Index: Across Protocol"
  width="340"
  height="290"
  frameborder="0"
  loading="lazy"
  style="border:0; max-width:100%;"
></iframe>
Believe this score contains a factual error? Submit evidence for review