# 基础知识

## 网络成本Gas是如何确定的？

**网络成本是支付给您用于加密货币交易的网络矿工的费用。**

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这笔费用也称为Gas fee。

区块链上的每笔交易都需要网络成本。这是因为矿工使用自己的计算机来验证和处理交易，而不是依赖中央机构。

作为回报，矿工得到补偿。以太坊区块链以以太币 (ETH) 向矿工支付费用，称为 gwei。 \
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网络成本由矿工的供需决定。

当网络流量较大（交易量较大）时，网络成本较高。当网络流量较低（交易量较低）时，网络成本较低。


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