# Gas优先费设置

Gas优先费的多少能够显著影响交易确认的速度，更多的Gas优先费可以在区块中获得更早的位置。

ETH的Gas优先费是在区块的基础 Gwei之上额外增加 Gwei，如当前ETH基础Gas是10 Gwei，您设置的Gas优先费是5 Gwei，实际交易的Gas花费将是15 Gwei。

 我们支持您分别设置买入交易和卖出交易的Gas优先费，支持设置的Gas优先费范围是0-500。 

### 买入Gas优先费

买入Gas优先费的多少能够显著影响买入交易确认的速度，对于想要快速交易的用户，我们建议买入Gas优先费的设置范围是20-50Gwei，实际Gas优先费可根据交易习惯自定义。

### 卖出Gas优先费

卖出Gas优先费的多少能够显著影响卖出交易确认的速度，对于想要快速交易的用户，我们建议卖出Gas优先费的设置范围是20-50Gwei，实际Gas优先费可根据交易习惯自定义。

<figure><img src="/files/rAQBvZmOx1YpbFRfr3vx" alt=""><figcaption><p>Gas优先费设置</p></figcaption></figure>


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