The common assumption is that swapping tokens means choosing one button and accepting whatever happens next. That is how beginners lose track of price, network, and timing. Matcha is a decentralized exchange aggregator: it compares available trading routes instead of acting like one single exchange. The starting point is https://matchaswap.app/, where matchaswap choices sit in the same trading flow.
First, set up a wallet. A wallet is the app or browser extension that holds your tokens and approves blockchain transactions. You need the correct network selected, the token you want to sell, and enough of the network’s native coin to pay gas. Gas is the network fee for processing an on-chain action.
Do not start by chasing the most advanced option. Start with the reason for the trade.
Use a market swap when the trade matters now
A market swap exchanges one token for another at the best available price when you submit the order. Use it when timing matters more than naming an exact price.
- You need ETH before a transaction.
- You are moving from USDC into another token immediately.
- You have checked the quote and accept the displayed minimum.
Enter the token you are selling, choose the token you want, and enter the amount. Review the quote before approving anything. The important number is not only the headline exchange rate. Check the minimum amount received, the network, and the estimated gas.
That minimum is controlled by slippage. Slippage is the difference between the expected price and the price your trade can accept before it fails. A thinly traded token may need more tolerance, but increasing it can let the trade execute at a worse price. Keep the default unless you understand why it needs changing.
Your first token trade may also require an approval. Approval gives the trading contract permission to use a specific token amount. It is separate from the swap itself, so your wallet may ask you to confirm twice.
Use a limit order when price matters more than timing
A limit order says: trade only at this price or better. You become the person setting the terms instead of taking the current market quote.
Use one when you want to buy ETH below today’s price, sell a token after it reaches a target, or spread a larger trade across several price levels. Set the amount, price, and expiry. Then sign the order in your wallet.
The trade may never happen. That is the point. A limit order gives you price control, not execution certainty. If the market touches your price briefly, another order may fill first. If the price never reaches it, the order simply expires or remains open until you cancel it.
Use a cross-chain swap when the asset and destination network are both changing. A blockchain network is the environment where the token currently exists. Ethereum, Base, and Arbitrum are separate networks, even when they use familiar token names.
For example, sending USDC on one network and receiving ETH on another is not an ordinary swap. It combines a token exchange with a bridge route. Check the receiving network carefully. A token sent to the wrong network can require extra steps to recover.
The short version: market swap for now, limit order for your price, cross-chain for a different network. Pick the mode before you pick the token.