Based on what it has been seen among the wide array of altcoins such as development, innovation, and security issues, what altcoins might survive in the future?
In my opinion, I think that the only ones prone to survive would be good old altcoins such as Litecoin and Dogecoin, but I may be wrong.
Nevertheless, I would like to know your opinion about this as well as any altcoin that might be worth holding onto for the long term.

I dont think dogecoin or litecoin is good choice for long term, there is no contributions to the market from them. I think my options can be ethereum, Neo, Zil etc. because they are doing real things and they benefit to the market.