# Across跨链交互教程-ETH链

By [FlyPotato](https://paragraph.com/@nbblockchain) · 2021-12-24

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介绍
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Across 是 L1 和 L2 之间最快、最便宜和最安全的桥梁。

**本次交互成本70u，最低跨链金额0.1ETH**

官方推特：

官方discord：

[

Discord - Group Chat That's All Fun & Games
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Discord is great for playing games and chilling with friends, or even building a worldwide community. Customize your own space to talk, play, and hang out.

https://discord.com

![](https://storage.googleapis.com/papyrus_images/fd5daf4cc4569214cd87e650d89285a0aac548020f1d6734eaffa8b0add2160e.png)

](https://discord.gg/h2XZ5YBm6Y)

交互
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**1、打开网站，链接钱包**

[

Home | Across Protocol | Across Protocol
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Interoperability powered by Intents. A new paradigm in crosschain experiences, seamlessly connecting users with applications.

https://across.to



](https://across.to/)

![](https://storage.googleapis.com/papyrus_images/35cd2c2113fcabf47e333f7ecded06b4836efea830f99400186a5020a1f7366b.png)

**2、L1向L2跨链**

From选择ETH，填入跨链金额，To选择Arbiturm或者Optimism，这里选择Arbitrum。

建议跨链金额大一些，0.1ETH起步，因为据我交互发现，第3步L2向L1跨时，最低要求金额是0.1ETH，因为手续费是一样的，钱都是你的，又跑不了，哈哈～～

![](https://storage.googleapis.com/papyrus_images/adefa5f80347acb4513c54c5690ee848bf12c1d54cbb2ddf4e19afd3ec5ee63b.png)

点击Send发送～～～

![](https://storage.googleapis.com/papyrus_images/7de2df26e6a4c396bf1074f8fda474f8a6f6380d40408323ce33d35e160e89c4.png)

跨链成功，资金大约10分钟左右到账～～

**3、L2向L1跨链**

From选择Arbitrum，输入跨链金额，To选择ETH

![](https://storage.googleapis.com/papyrus_images/3325ae418236fcfa0459a9a67bf104fd7ca80fa98c12ef373e8e8f5d374f594d.png)

点击Send～～～

![](https://storage.googleapis.com/papyrus_images/e83701c6618368669c9fbe68c36d9ebe03a542699fb9316864e69cfac0a2819c.png)

充值成功，预计到账时间2分钟～～

**4、添加Pool池**

点击顶部的Poll按钮，进入池子页面。

点击ADD，输入要添加池子的ETH数量，点击Add Liquidity

![](https://storage.googleapis.com/papyrus_images/bcf33ae178112128db560b22546f3f659160b0c62ed3960dd7d7f30144bdbf6c.png)

本次交互完成～～～

本次交互成本70u

**非投资建议#DYOR，交互有问题的下面联系方式联系我。**

**联系我：**

**微博:**

**推特：**

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*Originally published on [FlyPotato](https://paragraph.com/@nbblockchain/across-eth)*