USDT is either ERC 20 (ethereum) based or TRC 20 (Tron) based token for its practical implementation. When USDT is ERC 20 token, it means such USDT is running on ethereum blockchain and it needs gas fees in eth (ethers) to some extent to transfer from one ERC wallet to another ERC wallet.
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Tether (USDT) is an Ethereum token that is pegged to the value of a U.S. dollar (also known as a stablecoin). Tether’s issuer claims that USDT is backed by bank reserves and loans which match or exceed the value of USDT in circulation.
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