Yikes you guys... keep your coins off the exchanges. Didn't you learn from MtGox, or this 500 million dollar hack 3 days ago:
https://www.theverge.com/2018/1/27/1...cryptocurrency
Personally, I use the official Ripple wallet for my ripple, Daedalus wallet for my cardano, Stellar wallet for my lumens... I'm using Multibit for bitcoin, but need to move away from that because it isn't supported anymore. I have Gulden in the Gulden wallet as well.