I would think the output from your brain is always changing, so it wouldn’t yield the same hash second to second
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I get what you are saying, I'm just expecting there to be some sort of intrinsic pattern behind it.
I mean if it gets to the point of neural pathways mapping, the layout of an individuals brain is kind of a private key. I'm sure you could add other pieces to build that key, but I'd bet that that along is unique enough to avoid hash collisions 🤣
I think your brain structure changes enough over time to make that problematic. Not to mention things like stroke or head trauma that can really fuck that up. Cool idea though, not trying to be a hater