Altcoins are complicated and kind of hard to predict for everyone. Because of top coins are strong and has potentialities, so they will show best result for next year and scam rarely among them as what happened to luna recently. I think It'll be bnb, matic which will be going to make contribution for dominance crypto market. So investing on them could be good opportunity for next year
It's really hard to give advice on altcoins as there are so many to choose from, in my opinion let's just focus on the top altcoins like eth, bnb, matic, xrp or ada, all these coins will help us to reduce the risk when investing in altcoins. Avoid investing in new altcoins if you don't have research or analysis knowledge.