Poloniex exchange adds 7 USDC and USDT related transaction pairs

According to The Block, on July 10, the cryptocurrency exchange Poloniex added 7 trading pairs, including 3 USDC related transactions: EOS/USDC, DASH/USDC, ETC/USDC, 4 USDT related transactions: BCHSV /USDT, BCHABC/USDT, GRIN/USDT, DGB/USDT.