Optimism 主网首次引入 Stake 优先排序机制，开启四周实验
深潮 TechFlow 消息，5 月 26 日，据 Optimism 官方消息，OP 主网今日起首次调整交易排序规则。此前多年，排序器仅采用"最高优先 Gas 费优先"机制，现新增基于质押的优先排序选项。
本次实验为期四周（截至 6 月 23 日），由 Optimism 治理机构本月早些时候批准，用户可选择性参与。参与条件为向 PolicyEngineStaking 合约质押不少于 100,000 枚 OP。
实验分两阶段推进：第一阶段（第 1 周）采用 FIFO 先进先出排序，质押量超出最低门槛不影响优先级；第二阶段（第 2-4 周）改为基于质押时长加权的优先 Gas 乘数机制，质押时间越长，优先级越高。
未参与实验的用户交易排序规则维持不变，PGA 机制照常运行。
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