Kucoin is a smaller exchange and has not been asked for documents yet.

You can see their trading for the last 24 hours on just go to the link below and check the list or search the list for kucoin, you will see the amount of trades against other currencies on bitcoin.

Coin Marketplace

STEEM 0.42
TRX 0.07
JST 0.052
BTC 43058.58
ETH 3317.98
BNB 494.57
SBD 4.94