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 %.....