> For the complete documentation index, see [llms.txt](https://help.tokenpocket.pro/cn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.tokenpocket.pro/cn/faq/multichain-wallet/private-key.md).

# 什么是私钥

钱包是密钥管理工具，用户用私钥来签名交易，从而证明该用户拥有交易的输出权，而输出的交易信息是存储在区块链中。

私钥非常重要，相当于现实中的银行卡密码。一旦泄漏，会直接造成数字资产的损失。所以请务必保管好私钥。


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