Which altcoins do you think will see year 2020 with prosperity and why they will survive?
I think following will be there
1) Ripple / because of its application in banking use
2) Ether / because its smart contracts and scripting functionality
3) Dash / Instant send and private send
Here I don't think that this list is better or you may say that it is complete , because there are so mamy coins which not a better future .
First coin in my opinion is the Digibyte coin , wgich can easily rise in the last of even this year , so you can expect that how much this coin grow in 2020.
Second coin it bitcoin cash , and i don't think that we need to wait much time to get start to make profit with this coin because this is that coin which is developed by the bitcoin team and have a better future in my opinion than what the bitcoin have .
Third coin is doge coin , clock coin , because soon clock coins will touch new hight Because of open source ( according to my friends views about the clock coin ) .
Fourth coin is ETH coin , which will surely make profit for those who can buy in this year and hold until 1-2 years because it is that coin for which 0.15btc/etc rate is a small thing to acchive .
Here I don't meant to say that your list is worst , but i think you should list these coins in your list also .