How about homomorphic encryption? There was a nice write-up & discussion of it the other week: https://news.ycombinator.com/item?id=40262626 https://news.ycombi

How about homomorphic encryption? There was a nice write-up & discussion of it the other week: https://news.ycombinator.com/item?id=40262626 https://news.ycombinator.com/item?id=40262626