Until a new chain ID is chosen for the surviving PoW chain, transactions signed and submitted to the PoS and PoW chains will be identical and can be executed on both…aka a “replay attack” 💥
在为幸存的 PoW 链选择新的链 ID 之前，签署并提交到 PoS 和 PoW 链的交易将是相同的，并且可以在两者上执行……也就是“重放攻击”💥