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Scores/Coinbase / Base

Coinbase / Base

TEMPERED

L2 / Staking / Wallet · Ethereum + Base · $11B+ TVL · 15 contracts

Official site: www.coinbase.com ↗

730
3004756508251000
Confidence77%
Z-Factor0.85
Updated 2026-06-12Public score

Security Profile

Access Ctrl
53
Economic
82
Oracle
68
Compos.
78
Govern.
40
Maturity
88
Resilience
44
Supply Ch.
85
X-Chain
60
OpSec
66
Cascade
95
Min
40
Avg
69
Max
95

Audit History

OpenZeppelin (cbETH)
2022-08Report
Sherlock (OP Stack/Bedrock)
2023-01Report
Coinbase Internal Security
2022-07

Bug Bounty Program

$5,000,000
Max payout on Cantina
View Program

Assessment

Institutional-grade OpSec and maturity offset by extreme centralization (D5=40) and 48 validated findings (23C+10H+15M). Highest critical ratio (48%) in tracked portfolio. C-BASENAME-001 (addr persistence through re-registration) further degrades access control.

Dimension Breakdown

Methodology
11 dimensions · Updated 2026-06-12

Top Score Drivers

Dimensions with the greatest marginal impact on BRI.

Access Control
53+52 potential
Fully centralized admin (Coinbase controls minting, pausing, upgrades)
Governance & Upgradeability
40+41.2 potential
Mitigating: publicly-traded with SEC reporting obligations
Adversarial Resilience
44+36.8 potential
Oracle Integrity
68+22.1 potential
cbETH exchange rate set by Coinbase internal oracle
Cross-Chain Messaging
60+20.2 potential
Base: single sequencer (Coinbase) — liveness SPOF

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 2022-08-2511 dimensionsProvenance Ledger
methodology v2.1formula v1.1weights v1.1evidence sha256:sha256:0...

Score History & Verification

Score provenance tracking begins with the next reassessment.

Full provenance ledger

On-Chain Data

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

Continuous adversarial analysis, vulnerability detection, and verified reassessment.

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