poloniex have :

Level 3 Verification
Daily withdrawal limit $25,000 USD equivalent

and

You may request a higher limit by contacting support.
Enhanced Verification
Individual or Corporate Accounts requiring limits >$25,000 USD equivalent

wtf who need more....
btw ETH there is on bitfinex, Kraken and what?  nothing... POLO have 61.28 % volume Kraken 18.54 %.....