Breet provides three network options for Tether (USDT).
USDT (ERC20) - This is the Tether on Ethereum Network
USDT (TRC20) - This is the Tether on Tron Network
USDT (MATIC) - This is the Tether on Polygon Network
Please understand that when sending USDT, you MUST use the correct network, otherwise your coins may be lost.