I have all of these coins:
ETH 40%
CARDANO 20%
POKALDOT 20%
TERRA LUNA 5%
THETA 15%
Avax: 10%
Are my coins going to last is it likely?
Those coin is top coin on CMC and i am sure that it will last not only in 5 years but i think it will last 10 years or maybe 20 years, i know that those coin has a great use case and many people trusted it, that is why i believe that those coin will last longer than other new altcoins, some of the new altcoins today is still on stage of developing while the coins that you mention is already accessible so no doubt it will surely last long.
That's right indeed the coins mentioned above are the top coins of all,
apart from that to be able to last for 10 or 20 years is definitely not something easy except for Ethereum which is a popular altcoin,
what is certain is that it is necessary to see its development first because to be able to survive that long of course it needs a development and an update too