Take a look at these altcoins for 2018. They all long term, can give good returns.
DragonChain : It is US based project with KYC builtin and free to participate any future ICO using their platform. Dragonchain was originally developed by Disney as the “Disney Private Blockchain Platform” and is now taken over by the Non-Profit organization Dragonchain Foundation as an open source project.
Monetize Coin : It is currently an heart beat of monetization platform with excellent trust built by the way they offer flexibility. They are yet to kickstart marketing strategy. They dont have any market manipulation, no restrictions . It is worth investing as little as we can and see growing.
https://monetizecoin.io/5a62c9f1b3abe
https://cobinhood.com/home?referrerId=25a33c73-64ff-47c7-9b55-1096de68335c