Full guide to on-chain trading on Ethereum
Ethereum mainnet trading exchanges assets through smart contracts. Learn to read an ERC-20 quote, reserve ETH for gas, check approvals and understand what happens after you sign.
GMGN vs Maestro
GMGN and Maestro on Ethereum mainnet: inspect the confirmed controls below before authorizing an ERC-20 trade. Availability does not establish identical routes or wallet permissions.
Equal confirmed feature score
The mutually confirmed features do not produce a unique feature leader.
Interface languages: GMGN — English, Simplified Chinese, Traditional Chinese, Korean +8 more confirmed; Maestro — English, Simplified Chinese · Telegram.
Basic comparison
| Confirmed feature | GMGN | Maestro |
|---|---|---|
| Platform trading fee | 1% | 1% |
| Interface languages | English, Simplified Chinese, Traditional Chinese, Korean +8 more confirmed | English, Simplified Chinese · Telegram |
| Wallet model | Hybrid | Custodial · Telegram |
| Limit orders | Yes | Yes · Telegram |
| Confirmed access surfaces | Mobile app, Telegram, Web | Telegram |
Pro view · confirmed controls and integrations
| Confirmed feature | GMGN | Maestro |
|---|---|---|
| Internal wallets | Yes | Yes · Telegram |
| Multiple wallets | Yes | Yes · Telegram |
| Wallet import | Yes | Yes · Telegram |
| Automated sells | Yes | Yes · Telegram |
Other confirmed differences
For wallet model, GMGN lists Hybrid; Maestro lists Custodial · Telegram.
Ethereum decision context
Before funding GMGN or Maestro, identify the Ethereum signing arrangement and ERC-20 spender. An allowance can remain after a trade; a convenient interface does not establish exclusive key control.
25 dimensions contain an unverified value. Unknown is not unsupported.
Related Ethereum comparisons
Understand the context
Ethereum DEXes and liquidity
Compare Uniswap versions, quote assets and executable liquidity before choosing a route for an Ethereum token.
Ethereum wallets, approvals and security
Understand ERC-20 spender permissions and wallet control before granting access to Ethereum tokens.
Choosing an Ethereum trading bot
Choose an Ethereum mainnet workflow, then compare confirmed execution, wallet and automation evidence.
Maestro workflow on Ethereum
Reviewed 7 October 2026 · Ethereum scope
Trading costs
Maestro charges a product-wide 1% fee on successful manual and automated buys and sells. Network gas, priority fees or builder tips, DEX/protocol costs and bridge-provider fees are separate. Ordinary wallet transfers have no Maestro trading fee.
Execution and launch orders
Ethereum Anti-MEV is documented as forced. ETH sniper controls include a Block-0 tip and separate backup transaction controls; tips and gas are separate execution costs. Smart Slippage is a confirmed Ethereum buy-setting control, alongside manual slippage. Ethereum gas and builder tips are separate from the platform fee. AutoSnipe is confirmed in the current Ethereum selector. Ethereum configuration exposes Block-0 tip, backup transaction and gas controls.