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CCoW Swap
Batch auctions with solver competition — and Coincidence of Wants — neutralize MEV at the trade level.
Batch-auction DEXBy CoW DAOToken: COWSince 2021
- Type
- Batch-auction DEX
- How it works
- Orders settle in batches at one uniform clearing price, chosen by competing solvers, with Coincidence-of-Wants matching — removing the ordering advantage MEV bots exploit. Same team as MEV Blocker.
- Protects against
- Sandwiching/frontrunning via uniform-price batch auctions
- Rebates
- Price surplus returned to you
- Chains
- Ethereum, Gnosis, Arbitrum, Base
- Setup
- Trade on CoW Swap
- Adoption*
- Leading intent / batch-auction DEX
- By
- CoW DAO
* Dated snapshot (provider docs & public reports, 2026), not a live figure.
Best for
Spot swaps that want best price + protection.
Strengths
- MEV-protected by design (batch auctions)
- Coincidence-of-Wants can beat AMM price
- Gasless limit orders
- Same team as MEV Blocker
Trade-offs
- Swaps only, not arbitrary transactions
- Batch settlement adds some delay
- Best for spot, not every use case
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