以下内容翻译自 Ethereum Research ”[Why do/don’t we need two phase sends plus confirmation](https://ethresear.ch/t/why-do-dont-we-need-two-phase-sends-plus-confirmation/1866/14)” 的回复。 Generally, there are two major reasons why it’s necessary to have the two-phase send + conf in Plasma. Plasma MVP 为什么有必要使用 send + confirm,主要有两个原因