proposer

Each Ethereum slot has one randomly selected proposer responsible for building and broadcasting the block.每个以太坊 slot 都有一个随机选定的提议者，负责构建和广播区块。

Proposers can use MEV-Boost to outsource block building to specialised builders for higher rewards.提议者可以使用 MEV-Boost 将区块构建外包给专业的构建者，以获得更高的奖励。