DEXes · Review

OneSwap Review 2026: Multi-chain AMM, limited disclosures

OneSwap is a multi-chain decentralized exchange that uses automated market making and allows permissionless token listings. Its basic model is clear, but important details about fees, audits, and the current interface are not.

By the DappsAtlas editorial team · Updated Nov 6, 2026

DappsAtlas score

5.0/10

Mixed

Visit OneSwap

Our verdict on OneSwap

5.0/10

OneSwap may suit users who want a permissionless AMM exchange and are comfortable checking token contracts, liquidity, and trade quotes themselves. Its main strength is the combination of on-chain swaps and open token listings across several networks. The trade-off is limited operating detail: fees, liquidity-provider terms, current markets, and audit findings are not clearly documented. Treat newly listed tokens with particular caution and verify each transaction before signing.

Score breakdown

How OneSwap scores

Security: n/a
Ease of use: 5.0/10
Fees: n/a
Features: 5.0/10

Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.

What is OneSwap?

OneSwap is a decentralized exchange protocol built around automated market making and permissionless token listings. It is listed across Ethereum, BNB Chain, Tron, and CoinEx Smart Chain, and has an associated token called ONES.

The exchange's broad model is straightforward, but practical details are sparse. Fees, wallet support, liquidity-provider terms, and current trading markets are not clearly documented.

How OneSwap works

OneSwap is described as a smart-contract DEX that uses automated market making. In this type of exchange, trades draw from pools of paired tokens rather than relying on a central operator to match orders. Pool balances help determine the price, so a trade can move the price, especially when liquidity is limited.

OneSwap also permits token listings without approval. This lowers the barrier for projects to make tokens tradable, but it does not verify that a listed token is legitimate or that its pool has meaningful liquidity. Check the token contract, network, and trade quote before swapping.

3 features

Key features

AMM swaps

OneSwap is described as an automated market maker DEX, which routes trades through liquidity pools rather than matching individual buy and sell orders.

Permissionless listings

Projects can list tokens without permission. That broad access can increase choice, but it also means users need to check token contracts and liquidity themselves.

Multiple networks

The exchange is listed across Ethereum, BNB Chain, Tron, and CoinEx Smart Chain. The networks and available markets may not have identical assets or liquidity.

Pros and cons

What we like

Uses an automated market maker model for decentralized token swaps.
Allows token listings without requiring permission.
Is listed across several blockchain networks.

Watch out for

Fees and the process for becoming a liquidity provider are not clearly published.
Permissionless token listings make it easier for scam or low-quality assets to appear.
The scope and findings of the two listed audits are not clear.
The current interface, supported wallets, and active markets are not clearly documented.

OneSwap fees

OneSwap does not publish a clear fee schedule. Check the swap interface before signing for any protocol fee, quoted price impact, and the network gas cost; these can vary by trade and chain.

Is OneSwap safe?

OneSwap has two audits listed, but the auditors, audit scope, and findings are not clear. Treat that as limited assurance rather than proof that the contracts are safe. Swapping through a smart-contract DEX carries contract and transaction risk, while permissionless listings add the possibility of fraudulent tokens or thin liquidity.

The project's custody model and regulatory status are not clearly documented. Confirm the network and token contract before approving transactions, and never assume a token is vetted just because it appears in a listing.

5 steps

How to get started with OneSwap

1
Open OneSwap's official site and check whether its exchange interface is available.
2
If the interface is available, connect a wallet that supports the network you intend to use.
3
Select the network and confirm the token contracts for both assets you plan to trade.
4
Review the quoted output, price impact, any displayed fee, and gas cost before approving.
5
Sign the transaction only if the details match your intended trade.

Open OneSwap

Who OneSwap is for

OneSwap is aimed at crypto users seeking on-chain swaps and open token listings across several networks. It is a better fit for people who already know how to verify token contracts, assess liquidity, and review transaction details than for beginners who want curated assets and clear fee documentation.

OneSwap FAQs

What is OneSwap?

OneSwap is described as an automated market maker DEX, where swaps use liquidity pools rather than a conventional order book. Its token listings are permissionless, so users should verify each asset before trading.

What is the ONES token?

ONES is the token associated with OneSwap. The token's role, utility, and governance rights are not clearly documented.

Which chains does OneSwap support?

OneSwap is listed on Ethereum, BNB Chain, and Tron, as well as CoinEx Smart Chain. Check the selected network and token contract in the interface before approving a transaction.

What fees does OneSwap charge?

OneSwap does not publish a clear fee schedule. Before signing, check the swap interface for any stated protocol fee, the quoted price impact, and the network's gas cost.

Is OneSwap audited?

Two audits are listed, but the auditor names, scope, and findings are not clear. An audit does not remove smart-contract risk, and permissionless listings carry additional token and liquidity risks.

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