No one on the Poloniex trollbox could answer this question, probably because not a lot of miners at the time. I have been mining LTC on a pool and deposited some to my address, it shows in my wallet, and now I want to buy another coin on Poloniex. I go to
https://poloniex.com/balances and try to deposit/withdraw but it doesn't work. There has to be some other place where I can tell Poloniex my LTC address and authorize it to withdraw. I guess I need to give it a private key, but I don't see this interface.
