I just did a test deposit and withdrawal to have a look into their hotwallet. Here's my transaction: https://blockchain.info/tx/a389af51a325181ef78b08171b15064d6808564e67be95b2f76e1c111b170c60 , seems hot wallet is probably this https://blockchain.info/address/14uaevJESzmvCrk1uehsYFJwaUQkZH1SKi considerable amount for a hot wallet, if it actually is a hot wallet.