what is the best altcoin for you today,and what altcoin will have a potential for the future that will get higher value ?

No one would really able to pinpoint which coin do have the potential for the future where coming to a point that it would go in the same path with bitcoin,eth and other top coins in the market. Progress and development might really be possible but depending on the potential of that coin.The best thing to do is always research into a coin and see key feature which you will see that can really be a strong potential for it to sustain on longer runs.