# hello，world

By [波波bob](https://paragraph.com/@bob-7) · 2022-04-14

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### 其实前几天就绑定metamask了，然后里面没钱，上传了一张图片，设置付费观看，发现gas不够写合约的。哎，发表一次文章真贵。

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*Originally published on [波波bob](https://paragraph.com/@bob-7/hello-world)*