Intensecoin looks cool, hopefully it will develop into a usable product. If they can get it to work in censored countries such as Saudi Arabia, Russia, China, it would be really important. If they get that going, it would be huge. If it does, the price could go up 10 or 20 times, if you compare the amount of tokens in circulation compared to Sia.

I like zencash and spectrecoin too. Will be interesting to see how 2018 pans out for the space, a newcomer like QRL or Mobilecoin like was pointed out could be big too.