> For the complete documentation index, see [llms.txt](https://docs.slerf.tools/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.slerf.tools/solana-basic/solana-rent.md).

# Solana 租金

Solana 区块链能够高效存储数据的原因之一是其新颖的“租金”机制。 

Solana 创建不同的账户来记录不同用户钱包地址之间的代币转移和所有权相关的数据，以及区块链上的其他程序化交易。由于存储在 Solana 区块链上的交易历史或其他数据使用资源，因此会收取租金。

SOL 是用作租金的加密货币，用于在 Solana 上创建或维护每个唯一帐户，SOL 租金的金额取决于该帐户使用的必要数据资源。

例如，当您第一次在钱包中收到新代币时，您的钱包拥有的代币关联账户 (ATA) 会自动创建，并在此过程中收取 SOL 租金。

在大多数情况下，用于租金的 SOL 是**可以退还的。**如果帐户被关闭，Solana 上使用的关联数据资源将被释放，租金将退还至您的地址（帐户所有者）。

可以通过 [SlerfTools 账户回收页面](https://slerf.tools/close-account/solana) 一键退还你的代币账户租金。


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