That is just a bad, bad, idea from a privacy perspective. Stop the use of immutable device identifiers now! How will I be able to use my burner phone? Keep Google from tracking me? And stop those pesky Ads?
Re: Blockchain (yet again, and again, and again ...)
Digital Identifiers DIDs, the answer is Blockchain, say the vendors and developers simply said and done - say they. Just because they want to flog their own product on the market and make some profit, and hope that a bigger organisation then buys them out. This is where the technologists take over the world, until people and organisations wake up and realise (if they do) all the hype.
Must be very interesting for psychologists, simply analysing watching and observing human behaviour. I wonder what results they would obtain, if they fed the results through data science and augmented intelligence systems?