# altlayer交互教程

**Published by:** [jeffrey](https://paragraph.com/@wangzhen/)
**Published on:** 2023-05-10
**URL:** https://paragraph.com/@wangzhen/altlayer

## Content

AltLayerm出了个 OAT 徽章活动 ：2023/05/04 00:00 - 2023/06/30 00:00 GMT+08:00 OAT领取链接：galxe.com/altlayer/campaign/GC5VuUyqHS 1）领水： 1.1MSEQ 水龙头： https: //testnet-faucet.altlayer.io/1.2 Sepolia ETHSepolia ETH测试币 https://sepoliafaucet.com/ https://faucet.quicknode.com/ethereum/sepolia https://www.infura.io/faucet/sepolia1.3MSNFT 铸造站点：https://testnet-mint.altlayer.io/2）任务 任务一、通过rollup bridge在 AltLayer 测试网上存入和提取 Sepolia ETH 从 Sepolia (L1) 桥接到 L2 1）传送门testnet-rollup-bridge.altlayer.io/deposit?token=0x000000000000000000000000000000000000008002）交易确认后需要几分钟确认。3）从 L2 到 Sepolia (L1) 桥4）等待完成即可（L2-L1）任务二、 通过Rollup Bridge在 AltLayer 测试网中存入和提取 ERC-721 (MSNFT) 1）传送门： http://testnet-rollup-bridge.altlayer.io/deposit?token=0xB5E7041cA1B7024C77cEdCcB3da205a6606436972）打开浏览器sepolia.etherscan.io，输入钱包地址。3）按下图所示4）找到ID，复制5）输入ID，授权确认。6）完成7）ERC-721 令牌从 L2 桥接到 Sepolia (L1)8）等待即可（L2-L1）任务三、通过汇总桥在 AltLayer 测试网上存入和提取 ERC-20 (MSEQ) 将 ERC-20 代币从 Sepolia (L1) 桥接到 L2 1）传送门testnet-rollup-bridge.altlayer.io/deposit?token=0x22C1317FE43132b22860e8b465548613d6151a9F 2）链接钱包，输入测试币MSEQ授权、跨链。3）L1-L2完成4）将 ERC-20 代币从 L2 桥接到 Sepolia (L1)5）等待完成即可（L2-L1）做完之后等待快照，领取OAT：galxe.com/altlayer/campaign/GC5VuUyqHS

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