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Best of · Optimism · Updated

The best Dex Aggregators on Optimism in 2026

We track 5 Dex Aggregators that run on Optimism and have reviewed 4 of them in full. Our top pick is Velora. Each one is scored on security, ease of use, fees and features.

Ranked list

  1. 1
    Velora logo

    Velora

    Dex Aggregator · Ethereum, Optimism

    Velora is an intent-based DEX aggregator and trading protocol offering limit orders, super hooks and chain-abstracted swaps. It has a track record since 2021 and two listed audits, but a 2024 vulnerability and thin published detail temper the picture.

    Read the Velora reviewVisit Velora(opens in a new tab)
    ScoreScore 6.5 out of 10
    TVL $0
  2. 2
    Chainspot logo

    Chainspot

    Dex Aggregator · Arbitrum, Aurora, Avalanche +20

    Chainspot is a cross-chain aggregator that routes token swaps, bridges and yield-vault deposits across many EVM and non-EVM networks. It suits users who move assets between chains often and want one interface to compare routes, with the usual bridge and contract risks.

    Read the Chainspot reviewVisit Chainspot(opens in a new tab)
    ScoreScore 6.2 out of 10
    TVL —
  3. 3
    Hashflow logo

    Hashflow

    Dex Aggregator · Ethereum, Arbitrum, Polygon +3

    Hashflow is an RFQ-based trading platform that routes swaps through professional market makers on six EVM chains. Its listed TVL is small and no audits are listed, so check current details before relying on it.

    Read the Hashflow reviewVisit Hashflow(opens in a new tab)
    ScoreScore 6.0 out of 10
    TVL $256K−0.0%
  4. 4
    Trxswap logo

    Trxswap

    Dex Aggregator · Tron, Ethereum, BNB Chain +10

    Trxswap presents itself as a TRON-focused DEX aggregator with bridging, liquidity pools, staking and borrowing. Its stated fees are low, but key security, contract and service details are not published.

    Read the Trxswap reviewVisit Trxswap(opens in a new tab)
    ScoreScore 4.0 out of 10
    TVL —
  5. 5
    Unidex logo

    Unidex

    Dex Aggregator · Ethereum, Optimism, Arbitrum +3

    UniDex’s legacy site is a wallet interface for migrating UNIDX to MOLTEN and withdrawing funds from deprecated positions. It is not presented as a current trading dashboard, and users should check contract details before signing transactions.

    Read the Unidex reviewVisit Unidex(opens in a new tab)
    ScoreNot rated yet
    TVL —

Dex Aggregators on Optimism: the numbers

Tracked
5
Reviewed
5
Total TVL
$256K
Avg. score
5.7/10

DappsAtlas tracks 5 dex aggregators on Optimism. Every one of them has a full review. Across the 1 with TVL data, the combined value locked is $256K, counting value on every chain they support.

Only Hashflow reports value locked, at $256K. The best-rated is Velora with 6.5/10, followed by Chainspot (6.2) and Hashflow (6.0). The 4 rated dex aggregators average 5.7/10, and none scores 8 or above yet.

Many also deploy elsewhere, most often on Ethereum (5), Arbitrum (4) and Avalanche (3). All 4 with a confirmed status are active.

Largest by TVL

  1. 1Hashflow logoHashflow$256K

Highest rated

  1. 1Velora logoVelora6.5
  2. 2Chainspot logoChainspot6.2
  3. 3Hashflow logoHashflow6.0
  4. 4Trxswap logoTrxswap4.0

Method

How we ranked them

Reviewed dApps come first. Each DappsAtlas review scores security, ease of use, fees and features from 0 to 10 using public facts such as audits, documentation and on-chain data; the overall score orders the list, with total value locked as the tie-breaker. Projects we have not reviewed yet follow, ordered by total value locked. Scores are never sold.

Guides

Related guides

All guides

  • DeFi

    What Is a DEX Aggregator? How Swap Routing Works

    A DEX aggregator compares swap routes across decentralized exchanges and can split a trade among them. Learn how routing works, what it costs, and which risks to check before approving a transaction.

  • DeFi

    1inch Review 2026: How the DEX Aggregator Works

    1inch is a non-custodial decentralized exchange aggregator that searches many liquidity sources to find a swap route for each trade. This guide explains how it works, what it costs, the role of the 1INCH token, and the checks to run before you trade.

  • Blockchain

    New Dapps Coming to Optimism: How to Track and Use Them

    Optimism is an Ethereum layer-2 network, and new applications arrive on it all the time. This guide explains how launches happen, where to verify them, and how to check a new dapp before you connect a wallet.

  • Blockchain

    Optimism Bedrock Upgrade: What Changed for Users in 2026

    Optimism's Bedrock upgrade rebuilt the core of its Layer 2 network to lower costs, speed up deposits and align more closely with Ethereum. This guide explains what changed, what it did and did not create for users, and how to check the network's current state yourself.

  • DeFi

    Optimism DeFi in 2026: What Is Happening and Why It Matters

    Optimism is an Ethereum layer-2 network where DeFi activity, the OP token and its Superchain plans have all drawn attention in 2026. This explainer sets out what is being reported, what it means for users, and how to check current figures yourself.

  • Blockchain

    Uniswap V3 on Optimism: How the Layer 2 Deployment Works

    Uniswap V3 on Optimism applies the same concentrated liquidity design as the Ethereum version, but on an Ethereum layer 2 where transactions usually cost far less. This guide explains how the deployment works, what changes for swappers and liquidity providers, and what to check before you move funds.

Frequently asked questions

What is the largest dex aggregator on Optimism by TVL?

Hashflow is the largest dex aggregator on Optimism by total value locked, with $256K across all the chains it supports. TVL figures come from DefiLlama and change daily.

Which dex aggregator on Optimism has the highest DappsAtlas score?

Velora has the highest score at 6.5/10, ahead of Chainspot (6.2) and Hashflow (6.0). Scores weigh security, ease of use, fees and features, and are based only on facts we could verify.

How many dex aggregators on Optimism has DappsAtlas reviewed?

DappsAtlas tracks 5 dex aggregators on Optimism. Of these, 5 have a full review and 1 report value locked, $256K in total, counting value on every chain they support.

What is the average score for dex aggregators on Optimism?

The 4 rated dex aggregators on Optimism average 5.7 out of 10. Of these, 0 score 8 or higher and 1 score below 5.