Which privacy coin do you think will out last the rest in 2018? And why?
Monero (XMR)
ZCash (ZEC)
Navcoin (NAV)
PIVX (PIVX)
DeepOnion (ONION)
Verge (XVG)
Spectrecoin (XSPEC)
Sumokoin (SUMO)
I'm for a monero because I'm sure that this has a future and you can invest in it without fear. All indicators of both supply and demand and quantity speak only for the fact that the project from your list is the best.