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This is very interesting from an academic/theory point of view.

There currently aren't a lot practical use cases where we can afford a performance loss of ~100,000,000x (your homomorphic crypto algorithm is going to run on the order of ~Hz on a ~Ghz CPU).




There are applications for it, despite the speed penalty.


What are those applications?


Any application where you need an untrusted third party to do operations on encrypted data, without them getting access to the data itself.


Right but that's nearly tautological...I meant specific applications that can tolerate the massive performance sacrifice.




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