# 原子性

Solana 保证在 Rome 交易内的所有交易作为原子性执行，这意味着作为该 Rome 交易一部分的所有交易要么全部成功，要么全部失败。它消除了捆绑中某一链上的交易回滚的风险。

这使得 **无需信任、非托管的** 交易成为可能，用于 **跨 rollup** 和 **跨链** **套利** 在 L2 与 Solana 之间， **闪电贷**，以及 **真实世界资产 (RWA) 应用**. 

Solana 是 **全球状态机** 为使用 Rome 的 rollup 提供服务，允许交易的原子组合、排序/执行。

<figure><img src="/files/dabe7dd725b0ba6485c58399fcf0850e1ff84d01" alt=""><figcaption></figcaption></figure>


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