Looking at the success of Ethereum in 2017, so many new ventures started their journey in order to compete Ethereum. Some took momentum as a matter of fact like Tron and Eos. Other names like Cardano and Zilliqa etc are also running in the race.

What do you think would Ethereum sustain this pressure and retain its leading spot?

How would the Proof of Stake, if implemented in time, work for Ethereum?

Would Ethereum solve their scalability issue?

Does Ethereum decentralization give it an edge over other centralized smart contract platforms?