New blockchains have big growth potential because everybody want to find and invest in new etherium-killer which will make 100x ROI for them. Now the new ones are: Yggdrash, Seele, EdenChain, QuarkChain and NKN.
hi, i'm new heard about new blockchain,,
i think there is only DAGchain that used in IOTA,,
i will try to learn about all of the coins above,
but, personally i believe if a project bring new technology and new features the project will have a lot of potential to grow