Why can't anybody work on some kind of blockchained database software? I wonder if it would be doable... The Silicon Valley TV show had this. I've also thought

Why can't anybody work on some kind of blockchained database software? I wonder if it would be doable... The Silicon Valley TV show had this. I've also thought about it, but I'm not sure it would be fast enough and redundancy could be tweaked... so only for backing up data... I don't know but storing data in a cloud which resides in user computers sound like the perfect solution to those kinds of legal issues. The whole feature is having data that cannot be suppressed or accessed by a private party.