> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.mixin.one/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# [Announcement] Mixin Network Now Supports Optimism and Arbitrum

To further expand the cross-chain ecosystem and enhance user asset management experiences, **Mixin Network** now officially supports the **Optimism** and **Arbitrum** Ethereum Layer 2 networks.

Starting today, users can safely and conveniently deposit and withdraw assets on Optimism and Arbitrum through Mixin.
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✅ Decentralized multi-signature node architecture ensures robust network security
✅ Faster transactions with significantly lower fees
✅ Fully integrated with Mixin Messenger’s built-in wallet, payment, and trading features

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**More Highlights:**
* Manage assets from Ethereum mainnet, Optimism, Arbitrum, and more all in one wallet for a truly seamless experience
* No need to manually switch networks; the system automatically detects and handles different chains
* Combined with in-app payments and swap features, making asset transfers smoother than ever

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Thank you for your continued support of Mixin Network!
We’ll keep working to integrate more networks and assets — stay tuned for future updates.