protocol identification
two sourcesProtocol identification
- Name: Uniswap v4.
- Category: Decentralized exchange (DEX) / automated market maker (AMM) with programmable liquidity via hooks.
- Website: Uniswap main site and v4 launch blog ("Uniswap v4 is Here – A New Era of DeFi") — *unverified marketing claim* for exact URL.
- Docs: Uniswap v4 developer docs, including "Hooks" and "Security" sections — *unverified marketing claim* for exact URL.
- Launch date: v4 went live on mainnet on 31 January 2025. Some educational content ambiguously references “launched on June 12, 2023” for the code announcement, but production mainnet deployment is consistently January 2025.
- Chains: Official blog states v4 is live on Ethereum, Polygon, Arbitrum, OP Mainnet, Base, BNB Chain, Blast, World Chain, Avalanche, Zora. Your focus set (Ethereum, Arbitrum, Avalanche, Base, OP Mainnet, Polygon, Monad) matches most of these, but Monad support is Not verifiable as of 2026-08-29.
- Native token: Uses the existing UNI governance token of the Uniswap ecosystem (inferred from overall protocol history; not restated explicitly in v4-specific sources) — this is an inference, not a v4‑specific statement.
- Main contracts & explorer status:
- v4 introduces a singleton core contract (one central pool manager) plus external hook contracts per pool. Exact addresses per chain are Not verifiable as of 2026-08-29 under current constraints.
- Explorer “verified contract” status for these addresses is Not verifiable as of 2026-08-29. Fork lineage and design changes
- Is it a fork? v4 is the next iteration of the original Uniswap protocol; it is not presented as a fork of a different DEX. It rebuilds Uniswap as a singleton contract and adds hooks.
- Key changes vs upstream (v2/v3):
- Singleton architecture: all pools in one core contract, reducing gas and simplifying routing.
- Hooks: external contracts that execute custom logic before/after pool lifecycle events (init, swaps, liquidity changes, donations). This enables dynamic fees, MEV protection, limit orders, lending integrations, and other behaviors without altering core.
- Reported 15–25% gas reduction for swaps due to architectural changes. Audits and security review
- Uniswap v4 core and periphery have undergone extensive security reviews:
- Docs list audits by OpenZeppelin, Certora, Trail of Bits, Spearbit, ABDK, Pashov Audit Group for core and periphery, with dated reports in 2024.
- Trail of Bits published a v4 core security review finding 6 issues (1 low, 5 informational).
- Certora summarizes multiple audits and issues, including a low‑severity
collectFeesinteraction bug. - A $15.5M bug bounty, described as the largest in DeFi at the time, plus a $2.35M security competition with >500 participants, found no critical vulnerabilities. Malicious‑modification history in similar forks
- Public sources discussing v4 focus on hooks’ security risks and audit guidance, but do not document a history of malicious modifications in Uniswap v4 itself or named forks. Trail of Bits’ guidance on “building secure hooks” emphasizes potential attack vectors in third‑party hooks rather than core protocol compromise.
- Any systematic record of malicious Uniswap v4 forks or hook contracts is Not verifiable as of 2026-08-29.
Evidence (15)
- Uniswap v4 Core - Trail of Bits
- Uniswap v4 is Here – A New Era of DeFi
- Uniswap V4 Explained: Hooks, Adoption & UNIfication
- v4-core/docs/security/audits/TrailOfBits_audit_core.pdf at main · Uniswap/v4-core
- What Is Uniswap V4? - Binance
- CoinMarketCap Academy – Uniswap launches v4
- $15.5M Bug Bounty for Uniswap v4: The Largest in History
- Uniswap v4 Audits: Key Security Lessons from DeFi's Top Experts
- Security | Uniswap
- 2024-07-uniswap-v4-core-securityreview.pdf
- Uniswap v4 Hooks
- Uniswap V4 (Protocol) - Analytics, Metrics & TVL | OAK Research
- MrDeFi — Uniswap v4
- Uniswap Labs launches $15 million bug bounty program - PANews
- Building secure Uniswap v4 hooks - The Trail of Bits Blog