Nomiswap DEX

Swapping BEP-20 tokens on-chain

Nomiswap DEX is a non-custodial AMM on BNB Smart Chain for swapping BEP-20 tokens wallet-to-pool; its original team has disbanded.

Preview

Preview only
BNB tokenBNB 0.00Preview
USDT tokenUSDT 0.00Preview
BNB → USDTPreview route
USDT token USDT
TypeDEX route
CustodyNon-custodial
Go to Swap
Scroll

Nomiswap Dex Liquidity Routing & Protocol Overview

Nomiswap DEX is a non-custodial automated-market-maker exchange for BEP-20 tokens on BNB Smart Chain: you swap directly from your own wallet against on-chain liquidity pools, never through a custodial account.

Read more

In practice that means connecting an EVM wallet, reading the quoted route and price impact, signing one approval per token, then signing the swap. Two things matter before any of that: the official Nomiswap documentation now describes the project as unsupported and recommends withdrawing funds, and you should sanity-check current activity on an independent dashboard such as DefiLlama's Nomiswap page rather than trusting any interface blindly.

TypeAMM / DEX
NetworksBNB Smart Chain mainnet (Chain ID 56)
CustodyNon-custodial — your wallet signs
CostsPool fee + network gas + price impact
Token in/outthe pair you choose
VerifyCheck the pool and contract in the live app
Nomiswap DEX

What is Nomiswap Dex?

Nomiswap DEX is a non-custodial automated market maker (AMM): swaps execute against smart-contract liquidity pools holding BEP-20 reserves, not an order book or a company's balance sheet. Its legacy ecosystem bundled liquidity provision, farming, launchpools, NMX token rewards, fee cashback, and a referral system; a separate V3 interface added concentrated-liquidity positions minted as NFTs. The official documentation states that the development team has disbanded, labels the docs historical, and recommends withdrawing funds, so this page describes a legacy protocol rather than a going concern.

How it works

Nomiswap swaps are priced by pool reserves: the router pushes your input token through one or more pools, and contract math determines the output amount. Before signing, the interface quotes a route, a price impact, and a minimum-received figure based on your slippage tolerance; the executed amount can be worse than the headline quote. On a token's first use, you sign an approval transaction authorizing the router to spend it; that approval is separate from the swap, following the ERC-20 approval mechanics. Once BNB Smart Chain confirms the swap, output tokens land directly in your connected wallet.

Networks and tokens

Nomiswap runs on one network: the BNB Smart Chain mainnet, Chain ID 56, with BNB as the native gas asset. Assets are EVM-compatible BEP-20 fungible tokens, and the ecosystem utility token is NMX; verify it by contract address in the NMX token record on BscScan, never by ticker alone. Pool availability varies by pair and can be thin on a legacy protocol, so check that a real pool with meaningful depth exists for your pair in the live app before assuming a quote is executable.

Fees and costs

A Nomiswap swap has three cost layers: the pool fee, network gas, and price impact. Legacy V1 documentation specifies a fixed swap fee; V3 pools carry pool-dependent fees that vary per pool. Network gas is paid in BNB and moves with chain congestion and your wallet's gas settings. Price impact is the cost of your trade size relative to pool depth, and on a low-liquidity legacy pool it can dwarf the first two combined. The quoted minimum received is your floor; if the impact is high, shrinking the trade or splitting it changes the size hitting the pool. This explanation of slippage in trading covers why execution can differ from an expected price.

Is Nomiswap DEX safe?

Nomiswap DEX is not a maintained protocol: its contracts and interfaces remain independently verifiable on-chain, but verifiability is not safety. An approval lets the spender contract move your tokens; check which contract you are authorizing against the ERC-20 approval specification and revoke stale approvals you no longer need. Fake front-ends and lookalike domains can harvest signatures, so verify the interface and imported tokens by contract address, not name. The official documentation says the team has disbanded, support has ended, and users should withdraw funds; an unsupported protocol still carries smart-contract, routing, and maintenance risks that no audit removes.

How to swap

  1. Connect an EVM-compatible wallet, switch it to BNB Smart Chain (Chain ID 56), keep some BNB for gas, and select your input and output tokens; verify an imported token by contract address against a block explorer.
  2. Read the quoted route, price impact, slippage tolerance, and minimum received; on a token's first use, sign the separate approval transaction authorizing the router to spend it.
  3. Sign the swap and wait for on-chain confirmation; the output tokens return directly to your wallet.

If you're removing liquidity or farm positions instead, those assets stay in pool contracts until you withdraw them.

Problems and fixes

Swap button dead or balances wrong: switch the wallet to BNB Smart Chain. Transaction fails instantly: add BNB for gas; gas is paid in BNB even when swapping other tokens. Swap stuck after approval: approval and swap are separate transactions, so confirm the approval succeeded before submitting the swap. High price impact warning: the pool is too shallow for your size; reduce the amount or abandon the trade rather than raising slippage into a bad fill. Transaction reverted: slippage tolerance is too tight for a moving price, or the route changed; re-quote and try again.

Nomiswap FAQ

What is Nomiswap DEX?

Nomiswap DEX is a non-custodial automated-market-maker exchange for BEP-20 tokens on BNB Smart Chain, where swaps execute against on-chain liquidity pools from your own wallet. Its original development team has disbanded, and the official documentation now recommends withdrawing funds.

Is this the official Nomiswap site?

No. This is an independent reference page about the protocol and is not affiliated with Nomiswap or its former team.

Does a Nomiswap swap need an approval?

Yes, on a token's first use: you sign one approval transaction authorizing the router contract to spend that token, then a separate swap transaction; both cost BNB gas.

What does a swap on Nomiswap cost?

Three things: the pool fee (fixed in legacy V1 documentation, pool-dependent in V3), BNB network gas, and price impact from your trade size against pool depth. The quoted minimum received is the worst-case output you accept.

Which networks does Nomiswap support?

BNB Smart Chain mainnet only — Chain ID 56, BEP-20 tokens, BNB for gas. The ecosystem token NMX can be tracked on the NMX token page on CoinGecko and verified by contract address on a block explorer.

Is Nomiswap safe, and how do I start?

Nomiswap is an unsupported protocol, so independent on-chain verification does not establish that it is maintained or safe. If you start, connect an EVM wallet on BNB Smart Chain, verify token contracts by address, and read the route, price impact, and minimum received before signing.

Notes before you swap on Nomiswap

Practitioner's note: Nomiswap is a legacy protocol now — its mechanics still work exactly as described. Token tickers are not identifiers, and copycat tokens can use identical names.

Before you sign: confirm your wallet is on BNB Smart Chain (Chain ID 56) and holds BNB for gas; read the quoted price impact and minimum received; check the approval's spender contract and amount; verify the token by contract address, not symbol; and confirm the route in your own wallet.

Details here were checked against the official documentation and public chain data, last reviewed 21 July 2026.