When Ethereum was created, it was done so using the Proof-of-Work consensus method.
At the time, there weren’t many other blockchains other than #Bitcoin , and many used PoW because that consensus method was proven successful.
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创建以太坊时，它是使用工作量证明共识方法完成的。
当时，除了区块链之外，没有多少其他区块链