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I think AI and blockchain will be big, so I like Alphacat and DeepBrain.
And one I didn't mention is NEX, the decentralized exchange being built by City of Zion. That one deserves its own article. DEX is the future.

Yeah, how are we ever gonna realize crypto potential w/o a DEX?

Very true... we do have EtherDelta, IDEX and some others... but we need a DEX that performs like a centralized exchange for mass adoption.