Popular Exchange Bitfinex Adds Multiple Stablecoins

Popular exchange Bitfinex and associated exchange Ethfinex announced the listing of several additional stablecoins today. The platforms will add four more stablecoins to the mix.
Bitfinex Announcement
Announced on Medium today, Bitfinex and Ethfinex will add USD Coin (USDC), Paxos (PAX), True USD (TUSD), and Gemini USD (GUSD).
The announcement does however note that “[a]ll stablecoins on Bitfinex and Ethfinex will be traded against USD”.
Bitfinex and Ethfinex tout dedi