There is some level of risk that one or more external issuers could recognize a PoW fork.
This could render assets bridged into mainnet Ethereum worthless (they would only be backed on the PoW fork).
19/
一个或多个外部发行人识别 PoW 分叉存在一定程度的风险。
这可能会使桥接到以太坊主网的资产一文不值（它们只会在 PoW 分叉上得到支持）。
19/