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Token swaps on TRON: a practical guide
A swap exchanges one token for another at the price available when your transaction executes. This guide covers the numbers you should read before confirming, and the checks that prevent most avoidable losses.
How a swap is priced
Swap prices come from liquidity pools or order books. The larger your trade is relative to the available liquidity, the more the price moves against you. This movement is called price impact. A swap can show a good headline rate and still deliver less than expected if the pool is thin.
Read these fields before you confirm
- You pay and you receive: confirm the exact token symbols and contract addresses.
- Minimum received: the lowest amount the transaction will accept after slippage.
- Price impact: how much your own trade moves the price. Smaller is generally better.
- Route: the path through one or more pools. More hops can mean more fees.
- Network fee: the cost of processing the transaction on TRON, which varies with network conditions.
Choosing a slippage tolerance
A low tolerance such as 0.1% suits stable pairs like USDT and a stable-value asset in calm markets. A higher tolerance may be needed for volatile tokens, but it also gives a worse execution price if the market moves against you. Avoid automatic maximum settings you do not understand.
Common mistakes that cost users money
- Swapping into a token whose contract was copied from a similarly named project.
- Approving unlimited spending on a contract you have not verified.
- Trusting a 'support' account that asks you to move funds into a new wallet to fix a failed swap.
- Using a fake copy of a swap website found through search ads or links in messages.
A pre-swap checklist
- Open the official site from a bookmark or by typing the domain.
- Verify both token contract addresses against an independent source.
- Start with a small test amount when using a token for the first time.
- Review every wallet prompt and reject approvals you do not need.
- Save the transaction hash and check the final balance on a block explorer.
Related reading
If you plan to move a swapped asset to another chain, read the bridging checklist first. For longer holding periods, compare the staking guide with a plain swap.
Swap questions
Slippage is the difference between the price you see when you start a swap and the price that executes. Setting a tighter tolerance protects you from bad fills but can make a swap fail when prices move quickly.
Common causes are a slippage tolerance that is too tight for current volatility, insufficient energy or bandwidth for the transaction, or a token approval that has not been confirmed. Check the error message in your wallet and the transaction on an explorer.
Compare the contract address with the project's official website, social channels or a reputable explorer. Scam tokens often copy names and symbols, so the symbol alone is never proof.