Uniswap V4

Core is solid; risk concentrates in hook composition. Every new hook extends the attack surface; integrators should evaluate each hook independently.

TVL

$4.8B

30-day Δ

-12

Last scored

2026-04-19

BlackHart Risk Index

733

B-

Scale: 300 — 1000

01 //

Category Breakdown

What drives this score.

The score aggregates six independent assessments of the deployed code. Each category below carries a rationale derived from the current state of the protocol.

Access Control

65 / 100

Core is guarded; hook authors carry the risk

Economic Integrity

66 / 100

Hook lifecycle state machine highly complex

External Dependencies

82 / 100

No direct oracle reads in core; pool state only

Upgradeability & Governance

80 / 100

Timelocked core; hooks unowned

Composition Exposure

38 / 100

Unbounded hook composition; every hook is new surface

Systemic Impact

52 / 100

Top AMM; dependency of almost every DeFi integrator

02 //

Peer Comparison

Other dex / amm protocols.

Comparable protocols in the same category, ranked by BRI.

Protocol	TVL	Grade	BRI	vs. Uniswap V4
Curve V2 Ethereum	$2.2B	B	754	+21

03 //

Transparency

Score provenance

Slug: uniswap-v4
Last updated: 2026-04-19
Chain: Ethereum
Outlook: Declining

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Public scores summarize. A BlackHart engagement delivers the private finding detail, fork-validated PoCs, and remediation guidance that the score cannot publish.