Most people underestimate cross-chain costs because the bill arrives in pieces never as one clear number.

The Four Cost Layers

Source-chain gas: what you pay to initiate the transaction on the chain you’re leaving. This varies dramatically by network.

Protocol/execution fee : the cross-chain provider’s cut, often embedded inside the route quote rather than shown as a separate line.

Destination-side costs: if you need a swap on arrival to get the final asset you actually wanted, that action has its own fee too.

Price impact and slippage: the gap between the quoted rate and what actually executes. This isn’t a fee, but it costs you just the same.

~ Why Chain Choice Changes Everything

Ethereum is still the expensive end of any route. A single swap action currently costs around $0.27 on Ethereum before any provider or destination fees. Base runs around $0.002 for the same action. Polygon is similar.

Starting from Base or Polygon instead of Ethereum doesn’t make the swap free but it removes the biggest single cost from the stack immediately.

Review the Quote Before Confirming

On STON.fi , the quote screen shows exactly what you’ll receive before you confirm. That number is what arrives or the swap doesn’t execute and your funds return automatically. Price impact above 5% is flagged directly in the interface as a signal to reconsider.

This is where most cross-chain products fail users they show one number but the total cost is scattered across screens. A clean quote that covers the full outcome in one view is what to look for.

Read more: https://blog.ston.fi/cross-chain-swap-fees-explained-what-youre-actually-paying/

New to DeFi? whatisdex.com explains the fundamentals you need to know before making your first cross-chain swap. #TON #DeFi $XRP $ARB #Bullish