$USDC Tether (USDT) is an Ethereum token that is pegged to the value of the US dollar (such cryptocurrencies are called stablecoins). According to the issuer of Tether, this currency is backed by bank reserves and loans, the value of which is equal to or exceeds the value of the USDT tokens in circulation. Note: Currently, Coinbase only supports USDT tokens on the Ethereum blockchain (ERC-20). $USDC