 So I was talking a little bit about the journey that myself and fully homomorphic encryption were taking in the last well Decade decade and a half I guess turning from like an idea something that is potentially a dream to a really vibrant ecosystem of companies and academia and a lot of projects and a lot of Software developments and hardware developments and a lot of projects that are coming in together To create this thing that could actually have like a true impact in the real world So it's talking a little bit about the beginning of the journey where things really seemed like you know a dream that it was not like a Theoretical game that we were playing with ourselves with considerations of aesthetics and what's the right way to sort of define things and do things And how this actually evolved into the sort of schemes that can you can actually implement and use in the real world We're also discussing a little bit about the challenges that still lie ahead And and further research that is done in this area Right, so I guess I was saying decade and a half But I also mentioned in the talk that the idea of homomorphic encryption actually dates back to the late 70s so So progress was not actually uniform and it's been a long time before gentry Introduced his first candidate for for fully homomorphic encryption scheme and that contained a lot of you know new ideas that had to be Explored in order to be brought to a place where they can be used practically And there was a lot of again theoretical work that went into understanding Understanding what are these objects and what makes them work and once we managed to understand? Sort of these these primitives we were able to sort of reduce also the parameters that had to do with complexity and with the so-called noise growth in these homomorphic encryption schemes and come up with parameters and with ways to describe the problem that actually made it possible for for Implementation to actually take place because things were easier to describe in the sense that you could actually take it and Implemented without too much trouble and they were also sort of working more efficiently So these are sort of steps that were taken from sort of a theoretical standpoint That brought it to a point where you could start implementing and once you start implementing you can also start Optimizing and sort of applying all of these techniques from that world from the world of I would say more practitioners and and sort of security researchers and programmers and Actually get to the point where you can apply these optimization techniques to actually take it to a level where we have deployable Software software libraries that that people are actually constructing and they're actually planning to use homomorphic encryption Was envisioned as a way to preserve privacy as I explained in in the talk We need to be careful when we talk about homomorphic encryption as a solution So homomorphic encryption is certainly a tool in a broader sort of set of tools that we have in order to ensure Privacy homomorphic encryption is a way to take a computation on encrypted data and produce an encrypted outcome Now the question is what do you do once you have this encrypted outcome? Do you decrypt it if you decrypt it? Why you do how where do you get the decryption key from what do you do with the decryption? outcome and so forth so what I see is homomorphic encryption taking place as perhaps a major tool, but not an only tool in Sort of a more complete security paradigm that would allow that would allow us to actually sort of Outsource or or be able to Perform computation remotely in a way that preserves our privacy and also security of of our data I really think that we should like dare to dream because Again as I said in the beginning it really seemed a lot of points along the way it seemed like okay We sort of figured out what we could figure out, but we're still very far from this thing ever being useful in practice and it turned out that just continuing to push Had made a great difference. So so I think this is like a good Take-home message To not be deterred by things that at the beginning seem like they're just you know theoretical toys that they're never going to find Any applications and and sort of keep I guess a scientific open mind and and have like you know apply your sense of aesthetics to to these to these problems and Sometimes it works out sometimes you actually get great benefits from from these these sort of approach