- Initial Request for Comment. No Governance action required at this time.
Motivation
Uniswap Protocol v4 arrived with a bang—ushering in unprecedented flexibility via hooks, singleton architecture, and flash accounting. It’s a powerful toolkit, opening doors not just for optimized token swaps, but for a universe of on-chain value exchange: complex financial products, Real-World Assets (RWAs), and institutional-grade DeFi.
But with great power comes great complexity.
How do we safely harness v4’s power for sophisticated use cases? How do we implement custom logic—compliance checks, pricing rules, risk controls—without creating a fragmented, unauditable mess of ad-hoc hooks?
This RFC introduces a proposed solution: On-Chain Policy Orchestration Architecture, centered around a new infrastructure layer called the Hook Manager Framework.
The Problem: Raw Power Needs Structure
Imagine building a skyscraper out of LEGO—with no baseplate and no instructions. That’s what raw v4 hook usage feels like when attempting to support RWAs or institutional-grade logic.
While every v4 hook executes atomically (a big leap over off-chain enforcement!), relying solely on ad-hoc, monolithic hook contracts leads to:
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Fragmentation – Different pools implement similar logic differently.
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Duplication – Developers continually reinvent the wheel.
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Security Risk – Larger, multi-purpose hook contracts are harder to audit.
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Trust Gaps – DAOs and institutions cannot reliably verify or rely on arbitrary hooks deployed permissionlessly.
There’s a need for structure—one that preserves Uniswap’s neutrality while enabling robust pool-specific behavior.
The Solution: The Hook Manager Framework
The Hook Manager is a governance-aware orchestration layer attached to Uniswap v4 pools. It coordinates which policy-specific hooks execute, in what order, and under what conditions.
Key Features:
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Modular Policy Hooks
Each custom behavior is implemented as a dedicated, single-purpose contract—e.g.,-
KYC/AML enforcement
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Dynamic fees
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MEV protection
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RWA settlement logic
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Orchestration Logic
The Hook Manager attaches at pool creation and manages:-
Which hooks execute on specific pool operations (before/after swap, mint, burn, etc.)
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Execution order of hooks
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Dynamic registration/deregistration (via governance)
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Standard Interfaces
Hook contracts conform to a unified spec, making them easier to audit, monitor, and potentially reuse. -
Controlled Upgrades
Through a decentralized governance model (proposed: using UNI), policy hooks can be upgraded while pools are paused—no liquidity migration required. -
Transparency & Observability
Hooks and managers emit standardized on-chain events for analytics, compliance audits, and real-time monitoring.
Importantly, the Hook Manager does not modify Uniswap v4 core contracts—it builds on top of them, preserving neutrality and permissionlessness.
Why This Matters
This isn’t just a better way to manage hooks—it’s a foundational leap forward for Uniswap v4’s real-world adoption, introducing a scalable, modular, governance-aligned framework to extend Uniswap v4’s hook system into a generalized infrastructure for policy-governed liquidity pools.
Enhanced Security
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Modularity enables smaller, auditable hook contracts
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Bugs are isolated; the blast radius of errors is reduced
Institutional Readiness
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Enables auditable KYC/AML enforcement, risk controls, escrow logic, etc.
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Makes Uniswap pools usable by custodians, banks, and DAOs with specific mandates
Developer Efficiency
- Clear interfaces and modular design reduce complexity, accelerate innovation, and improve testing workflows
Regulatory Adaptability
- Need to add a new compliance rule? Deploy a new policy hook without touching other logic
Competitive Agility
- New features can be rapidly deployed via standalone hooks (e.g., slippage protections, dynamic pricing models)
Addressing Trade-offs
Gas Costs
Yes—each policy hook adds gas. But:
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For large trades (institutions, RWAs), the cost is trivial compared to the value of guarantees
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L2 deployments will greatly reduce overhead
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Selective policy exemption and optimization techniques are possible
Liquidity Fragmentation
The framework leads to more pools—but fragmentation already exists across fee tiers, versions, and L2s.
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Aggregators (e.g., 1inch) and smart routers already solve this
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For policy-sensitive users, verifiability > slippage
Fit-for-purpose liquidity is the goal—not maximum depth
Why Not Use Frontends or Raw Hooks?
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Frontend rules are easily bypassed
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Raw hooks lack auditability, standardization, and trust guarantees
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The Hook Manager introduces curation, policy discovery, and on-chain enforcement—all composable and transparent
Governance & Ecosystem Design
Decentralized Governance (Proposed)
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Governance over Hook Managers and registered hooks scoped via UNI token
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Tiered voting – technical changes weighted toward developers; UX-impacting changes weighted toward users
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Roles:
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Hook Developers – permissionless contract authors
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Curators – recommend and audit hooks for specific verticals (e.g., RWA, stablecoins, MEV)
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Licensing & Monetization
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Business Source License (BSL) for core components, with a permissive license transition after 1 year
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Commercial Licensing for enterprise usage (e.g., banks, custodians)
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Shared Deployment Costs among institutions using the same policy set
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Rebates/Credits for LPs who help bootstrap policy-enabled pools
This model aligns incentives while supporting open experimentation.
Vision: Beyond Token Swaps
The Hook Manager Framework helps Uniswap v4 evolve from “flexible DEX” into a universal value exchange substrate.
It provides the structure needed to support:
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Institutional finance
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Real-world asset settlement
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Verticalized DeFi use cases
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Cross-protocol integrations
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Composable compliance
All without compromising core Uniswap principles of neutrality, modularity, and permissionless innovation.
Feedback Requested
We invite community feedback on the following:
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Is the Hook Manager framework directionally aligned with Uniswap v4’s architecture and goals?
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Are the trade-offs (e.g., gas, fragmentation) acceptable for the benefits?
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Does the governance model appropriately balance decentralization and practical execution?
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Are there any blockers, risks, or implementation pitfalls that deserve more attention?
Resources
Author: Mohamed ElBendary
Status: RFC (Request for Comment)
Date: May 2 2025