Vitalik Lists Down Four Major Hurdles in Implementing Proof-of-Stake

Ethereum [ETH]: Vitalik Lists Down Four Major Hurdles in Implementing Proof-of-Stake

Ethereum has been struggling with scalability issues and its move to Proof- Of- Stake (POS) strategy is considered to be the answer to it. But the implementation of POS is not going to be easy as Vitalik recently discussed the four major hurdles that stand in its way to implementation.