Each people have owned favorite crypto's and I know that want to hold it in the future, because they were believe to the potential of it. Also in my opinion all crypto currencies have own advantages and disadvantages to each one. Moreover if you define the characteristic of each digital currency you will notice that all of this are having a strategy on how they were survive in the future.

For me the better crypto currency that good to hold for long term are the stratis, ethereum, and bitcoin cash these are the altcoins that good to hold for long period of time. In addition I also save my bitcoin because I believe that it will reach million in the future.