Create README.md

oelin · web-flow · commit d8264d6a71c9 · 2020-07-05T14:39:29.000+01:00
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+### How canvas fingerprints work
+
+The way shapes are drawn to an HTML canvas change slightly, depending on your GPU and browser. This can be used to create a unique identifier for your device. The code
+[here](https://canvas-fingerprint.web.app) draws some shapes to a canvas and hashes the resulting image.
