# 以太坊二层扩容方案Optimistic宣布与L2至L1跨链桥Across Protocol集成

**Published by:** [ELON C](https://paragraph.com/@elon-c/)
**Published on:** 2021-12-10
**URL:** https://paragraph.com/@elon-c/optimistic-l2-l1-across-protocol

## Content

12月10日消息，官方消息，以太坊二层扩容方案Optimistic宣布与L2至L1跨链桥Across Protocol集成。Optimistic Ethereum 用户现在可以使用Across将资金从Optimism桥接到L1以太坊。跨链桥Across Protocol目前支持ETH、USDC和UMA，未来还会有更多资产。

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