USDT TRC20 vs ERC20 — which should you send?
TRC20 and ERC20 are two networks carrying the same USDT. TRC20 (Tron) settles with a network fee of cents; ERC20 (Ethereum) can cost several dollars when the network is busy. On a $20 order the network choice can be a tenth of the total, so it matters.
The practical difference
The token is the same dollar-pegged asset. The network is the road it travels on. Tron fees are a fraction of a dollar and confirmation is fast. Ethereum fees float with network demand and can be several dollars.
For gift-card sized payments, TRC20 is almost always the right choice. ERC20 makes sense if the funds are already sitting on Ethereum and moving them would cost more than the fee difference.
The mistake that costs you everything
Sending on the wrong network is the one irreversible error. A TRC20 address and an ERC20 address look different — Tron addresses start with T, Ethereum addresses start with 0x — but exchanges will happily let you pick the wrong network in a dropdown.
Check the network on the invoice, then check the network selected in your wallet or exchange. Then check once more. Funds sent to an address on the wrong network are usually unrecoverable.
Why your payment can arrive short
Exchanges deduct their withdrawal fee from the amount you send, not on top of it. Ask for $54.50 and you may receive $53.50. That triggers a manual review on our side and delays your order.
Add one to two dollars of headroom when withdrawing from an exchange. Overpayment is refunded or credited; underpayment costs time.