Since the beginning, Ethereum has had the goal to transition to Proof-of-Stake.
The reasons for the switch have heavily revolved around the desire to become more equally friendly as well as allow for greater scalability, but more on that later.
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从一开始，以太坊就有过渡到权益证明的目标。
切换的原因很大程度上围绕着变得更加友好以及允许更大的可扩展性的愿望，但稍后会更多。
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