Crypto Transfer Networks: ERC20, TRC20, BEP20, and Safe Transfers
Even for the same USDT, fees can differ by dozens of times depending on the network, and an incorrect choice can permanently lose assets. These are the network basics you need before sending.
Why Does Network Selection Matter?
When withdrawing a coin such as USDT from an exchange, a network or chain selection menu appears below the address field. Options include ERC20, TRC20, and BEP20. Think of these networks as different road systems even when the coin has the same name. USDT on Ethereum's ERC20 road and USDT on Tron's TRC20 road exist on separate routes.
The key is that sending and receiving networks must match. Coins arrive correctly only when sent through a network supported by the destination wallet or exchange. For self-custody basics, first read wallet types.
How Do ERC20, TRC20, and BEP20 Differ?
These are major token standards associated with their respective blockchain networks. Fees, speed, and support differ.
| Network | Underlying Chain | Approximate Transfer Fee | Speed | Features |
|---|---|---|---|---|
| ERC20 | Ethereum | Several to tens of dollars, depending on congestion | Moderate, tens of seconds to minutes | Most widely supported; fees vary significantly |
| TRC20 | Tron | Around $1, or free to a small fee | Fast, seconds to tens of seconds | Frequently used for inexpensive USDT transfers |
| BEP20 | BNB Chain | Below $1 | Fast | Cheap, but supported less widely than ERC20 |
Fees change frequently with network congestion and coin prices, so these figures are only references. Check the actual exchange fee immediately before withdrawing. For the stability of the asset's value itself, also review stablecoins.
An Incorrect Transfer Really Can Lose Funds
The most dangerous mistake is using a network the destination does not support.
- Sending via ERC20 when the receiving exchange supports only TRC20.
- Sending tokens to a smart contract address on an unsupported chain.
- Using the correct network but entering even one address character incorrectly.
The blockchain may record these transfers as successful while the recipient cannot recognize them, making recovery impossible or very difficult. An exchange may sometimes help, but could charge an extra fee, take weeks, or be unable to recover anything. Always remember that blockchain transactions are fundamentally irreversible.
Five Steps for Safer Transfers
- Check the receiving network first. Ask which network the destination exchange or wallet supports and select the same one when sending.
- Copy and paste the address. Do not type it manually. Compare the first and last characters after pasting, and beware of address-replacement malware.
- Make a small test transfer. Confirm arrival before sending the remainder of a large amount. The extra fee is far cheaper than the risk of loss.
- Check fees and arrival times. Compare network costs, but prioritize destination support over choosing the cheapest.
- Record the transfer. Save the transaction hash, or TXID, to track arrival directly through a blockchain explorer.
A network-selection error is difficult to undo. If the process feels complicated, develop a recordkeeping habit through a trading journal and always start with a small test. This article provides general information. Check your exchange's or wallet's official instructions before an actual transfer.
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