# BTC找零地址的判断逻辑

By [Untitled](https://paragraph.com/@0x21a455f862b7be72d1de78a9740902a8b330ed86) · 2022-08-29

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交易费计算：交易费（BTC）=交易费率（BTC/KB）\*交易大小（Bytes)

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*Originally published on [Untitled](https://paragraph.com/@0x21a455f862b7be72d1de78a9740902a8b330ed86/btc)*