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Yes cardano looks very profitable for 2018 and about IOTA you can buy it on binance i love the idea of iota and i know they need time but i believe in their project and their technology

I think I will buy a few iota, especially if I succeed to take it under 3$. Cardano increased 20x from october until december so I believe in its potential. I have even written about it and some friends who were faster than me, made pretty money investing in Cardano.