I posted something similar already, but the Buzz you are replying to has new info.
#DERO for one is the only privacy coin I know about with smart contracts, and it can probably scale pretty well by the looks of it.
Posted via D.Buzz#AEON is a lite version of #XMR of sorts 👍
If I were to hold cryptocurrencies, I would just hold one (apart from Hive tokens). 🤔 I don't want to watch cryptocurrency prices often, and that's the primary reason why I don't want trading or investing in cryptocurrency tokens. 😑