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根据频道 @MlgmXyysd_bibilailai 频道主的分析，微信小程序并不存在盲水印，而是通过发生截图动作时保存照片EXIF信息中的Unique ID来进行识别（识别在本地进行），当你发送时，小程序信息会随着图片一起发送，因此不存在盲水印

以下为原文

微信识别小程序截图，改一下 Exif 的 Unique ID 就不显示小程序按钮了
或者用微信编辑功能把图片旋转 360°，也不显示小程序按钮
排除了显式或隐式水印的可能，网传内容不实
检测到有截图生成（非标准Screenshot事件），就在本地数据库里存起来，截图发生任意改变就移除，图片发送出去不会将存入的数据一并发出，是纯本地行为
通过两台手机自带互传功能发送文件，并通过给对方互相发送验证，得出结论：微信 8.0.40 小程序截图无任何显式或隐式水印，识别小程序的功能仅在本地数据库对比实现

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微信8.0.40疑似存在盲水印 当在使用微信小程序时截图，截取的图片中存在某种水印，可用以追踪你所使用的小程序。 操作过程：随机打开一个微信小程序，在小程序内截图，然后发送给微信好友，点开图片时会看见屏幕右下角有四个按钮，从左往右第一个会显示你截图中使用的小程序，点击即可打开对应的小程序 目前，暂未发现水印位置，但是盲水印是应该存在的 更正：是一共五个按钮，从左往右第一个，就是和小程序一样的图标的按钮，写的时候记错数量了，在此深表抱歉
根据频道 @MlgmXyysd_bibilailai 频道主的分析，微信小程序并不存在盲水印，而是通过发生截图动作时保存照片EXIF信息中的Unique ID来进行识别（识别在本地进行），当你发送时，小程序信息会随着图片一起发送，因此不存在盲水印

以下为原文

微信识别小程序截图，改一下 Exif 的 Unique ID 就不显示小程序按钮了
或者用微信编辑功能把图片旋转 360°，也不显示小程序按钮
排除了显式或隐式水印的可能，网传内容不实
检测到有截图生成（非标准Screenshot事件），就在本地数据库里存起来，截图发生任意改变就移除，图片发送出去不会将存入的数据一并发出，是纯本地行为
通过两台手机自带互传功能发送文件，并通过给对方互相发送验证，得出结论：微信 8.0.40 小程序截图无任何显式或隐式水印，识别小程序的功能仅在本地数据库对比实现
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根据频道 @MlgmXyysd_bibilailai 频道主的分析，微信小程序并不存在盲水印，而是通过发生截图动作时保存照片EXIF信息中的Unique ID来进行识别（识别在本地进行），当你发送时，小程序信息会随着图片一起发送，因此不存在盲水印

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