Token, network and address are different details
USDT identifies the asset you want to move. The network determines where the transaction is recorded. The address identifies the recipient on that network, while the contract distinguishes the particular token. Checking just one detail leaves room to send something the destination cannot recognise.
Many exchanges show withdrawal networks after you select the asset. That list does not necessarily know what your recipient accepts. Open its USDT deposit screen and compare the complete names. Do not infer compatibility from an icon, a cheap fee or a previous transfer of another asset to that address.
TRC20: USDT on TRON
TRC20 normally indicates a token version circulating on TRON. Common user-facing TRON addresses start with T, but that visual clue does not replace checking the network. The destination must explicitly support USDT deposits through TRON; accepting TRX does not establish support for the token.
In a self-custody wallet, contract operations use resources including Energy and Bandwidth. Insufficient resources can require TRX to cover them. Sending USDT through TRON is therefore not universally free. An exchange can charge its own USDT withdrawal fee, different from its cost of broadcasting the transaction.
ERC20: USDT on Ethereum
In this context ERC20 usually means USDT on Ethereum. The token standard lets applications and wallets interact with contracts, but each asset has its own identity. A fake token can display the same symbol: verify the asset through the provider’s official instructions.
A self-custody transfer on Ethereum pays gas in ETH. Holding only USDT may leave you unable to send it. The cost depends on the operation and network conditions. For an exchange withdrawal, inspect the displayed charge; selecting Ethereum does not automatically require buying ETH inside the exchange account.
BNB Chain: check for BNB Smart Chain
Menus often label BNB Smart Chain as BSC or BEP20. It is a separate blockchain from Ethereum, although both can display addresses beginning with 0x. BNB Chain is also an ecosystem name: choose the specific network matching the deposit, not a similar label for another service.
A self-custody transfer on BNB Smart Chain pays network fees in BNB. Also check which USDT representation the recipient accepts and who issues or backs it. A bridged or pegged version is not automatically identical because it shares the symbol. Do not confuse BEP20 with the older BEP2 standard on a different network.
Choose compatibility before the lowest fee
First remove networks that are not active for USDT at both ends. Then compare minimums, charges, net arrival amounts and crediting conditions. Only compatible routes belong in the price comparison. A network that saves one unit but cannot be credited is not an economical option.
No permanent fee table covers every exchange. Charges can differ between platforms, networks and times, and deposits or withdrawals may be temporarily suspended. The LBank, BTCC and Bybit reviews explain funding arrangements before you inspect the live withdrawal screen.
An example with two compatible routes
Suppose two networks are active at both platforms. The first hypothetically charges 1 USDT and has a 10 USDT deposit minimum; the second charges 3 and requires 5. Sending 50 with the charge deducted would deliver 49 or 47 respectively. Both would exceed their minimums.
If you can test with only 8, the first route delivers 7, below its minimum despite being cheaper. These are illustrative figures, not real network prices. Minimums and net arrival amounts matter alongside the charge. See transfers between exchanges for the full process, including a small test.
Mistakes an address-format check cannot catch
A 0x address can be valid on Ethereum and BNB Smart Chain, without the exchange crediting transfers over both. A format check can accept the text while the selected network remains wrong. Verify the asset/network combination on both screens.
If a mistake occurs, retain the transaction ID and contact official support. Recovery depends on control of the keys and the recipient’s tools; it is not guaranteed. Do not try to fix it by sending more money to the same address or connecting a wallet to a supposed recovery tool received in a message.
What if you need a different network?
Withdrawing on one network but needing funds on another is a separate problem. A bridge moves value between chains through another mechanism; changing an address label does not activate it. Bridges can introduce additional contracts, represented assets and charges. An ordinary transfer does not require one when a compatible network already exists.
If you have not bought the balance yet, plan the receiving network first and read how to buy USDT and USDC. For wallet use, also consider self-custody responsibilities. A useful sequence is exact asset, common network, recipient details and net cost, with confirmation coming last.