Bad news for Cash is that there're no USD markets
That is quite simply false.
Bitfinex
Kraken
USD X
CEX.IO
Livecoin
Exrates
xBTCe
Quoine
Bitsane
SouthXchange
Independent Reserve
...
The only real market is Kraken - the rest is trading against USDT, or has no volume, or just not acceptable to be used as exchange
Also, Bitfinex paused wires, so it's useless
USD Wire Deposits Paused.
Wire deposits have been paused. Please see bitfinex.com/posts for further updates.