# 什么是 Backpack 钱包？

Backpack 钱包 是一款**注重安全性的自托管加密钱包**，支持 Solana、Ethereum、Optimism、Arbitrum、Polygon、Base、Sonic 等多个区块链。它让您对 加密资产拥有完全控制权。

## **Backpack Wallet 可满足您的所有加密需求。**

* 发送和接收加密资产
* 兑换加密代币
* 质押加密资产
* 查看、保护和交易 NFT
* 连接冷存储硬件钱包（Ledger、Trezor、Keystone）
* 多签钱包保护（Multi-Sig）
* 连接开发者测试网

[**下载Backpack钱包（支持浏览器、IOS、Android）**](https://download.backpack.app/BQcg/i4uu9wj4)

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## Backpack 钱包是储存NFT的安全选择

**NFT 集合锁定**（Collection Locking） 是一项易用功能，当 NFT 处于锁定状态时，钱包将自动拒绝所有交易请求。注意：NFT 集合锁定目前仅适用于部分特定项目。

<figure><img src="https://cdn.prod.website-files.com/669641f210a1019f2d8231fa/66e0be450f09a6f6779a3aad_66e0be2da1e582580bd26ad5_what_is_backpack_wallet.png" alt=""><figcaption></figcaption></figure>


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