I think Stratis.
Because it has a great technology and a solid team behind it.
Many people believe it can be a strongest competitor of Ethereum.
Shift is one of the best invesments of the year. Decentralized and versatile. Combining a blazing fast, dApp-ready, delegated Proof of Stake blockchain with the interplanetary file system - for a decentralized, resilient and highly extensible web 3.0 platform. Building the new world wide web. Just better.