Ethereum shortly fell below $2,000 last month on escalating worries related to Chinese cryptocurrency trading restrictions.ETH/USD has cratered 37% from its all-time high, but we are bouncing back.Proof-of-stake is a new concept to facilitate blockchain transactions and it could reignite interest in the second-largest cryptocurrency Ethereum.Blockchain migration to ETH 2.0 will make transactions safer and increase the appeal of ETH as a digital currency.