[Updated 10.2023]

You can purchase EDCOIN from the WhiteBit Exchange using USDT: 

https://whitebit.com/trade/EDC_USDT

Whilst EDCOIN (EDC) is also listed on UNISWAP, it is recommended that you trade EDCOIN (EDC) on WhiteBIT as trading fees. On UNISWAP transactions/trading have to be  ETH.