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Unichain

by Uniswap LabsUS

DeployStage 4 of 5

Mainnet since February 2025.

Updated 14 Aug 2025Checked 25 Sep0 updates this week

Milestones

No announced next step
  1. Unichain announcedOct 2024Complete.
  2. Mainnet launch11 Feb 2025Complete.

Most important updates

  • 14 Aug 2025
  • 2 May 2025
  • 11 Feb 2025
  • 10 Oct 2024

Current obstacles

  • Attracting activityMoney tends to stay on existing chains. Unichain must win traders over.

Physics limits

  • Secure hardware can be brokenEnclaves rely on chip makers' keys and designs, and side-channel attacks have broken earlier enclave generations. The guarantee is only as strong as the chip.
  • Ethereum's data space is sharedLike every rollup, Unichain posts data to Ethereum blobs shared by all rollups, which caps how much it can grow however fast its blocks are.

How it works

3 parts
The silicon die of an Intel Xeon server chip: Unichain builds blocks inside sealed secure enclaves on Intel server processors
The silicon die of an Intel Xeon server chip: Unichain builds blocks inside sealed secure enclaves on Intel server processorsPhoto: cole8888 · CC BY-SA 2.0 (opens commons.wikimedia.org)
Rollup

Built on the OP Stack

Unichain batches transactions, posts the data to Ethereum and uses fault proofs so withdrawals are protected by Ethereum.

Enclaves

Blocks built in secure hardware

Via Flashbots' Rollup-Boost, blocks are built inside secure hardware enclaves, so the ordering rules can be checked instead of trusted.

Flashblocks

Sub-second confirmations

Partial blocks are streamed several times a second, so apps see confirmations long before the full block is sealed.

Update log

4 updates

Thu 14 Aug 2025

  • Minor: BlogSoftware

Fri 2 May 2025

  • Minor: BlogSoftware

Tue 11 Feb 2025

  • Minor: BlogSoftware

Thu 10 Oct 2024

  • Major: BlogSoftware

About Uniswap Labs

The team behind Unichain

Uniswap Labs

Uniswap exchange, v4 hooks, Unichain

New York company behind Uniswap, the largest decentralised exchange, where trades run against pools of tokens priced by a formula. v4 (Jan 2025) added plug-in 'hooks', and Unichain is its own rollup. In Dec 2025 holders voted to switch on protocol fees and burn 100M UNI.

  • v3 (2021) let liquidity providers pick price ranges, so their money works harder.
  • v4 hooks let developers add custom pool logic, like changing fees or on-chain limit orders.
  • UNIfication passed 26 Dec 2025 with 99.9% support, switching on fees and burning 100M UNI.

uniswap.org (opens uniswap.org)Company profile →

Founded
20188 yrs
Headquarters
United States
Status
Private
Valuation
private
Works in
CryptoTrading & DeFi
Coverage
2 programs · 9 updateslatest 24d agochecked 25 Sep
People
Hayden AdamsFounder & CEO
Primer