@defi3
A crucial consideration is whether companies should be allowed to read and store our personal information to begin with. The standard response to this by many has been that companies need to see our data to provide us with better services.
If YouTube doesn’t store data like my watch and search history, the algorithm can’t operate to its fullest potential and show me the videos I’m interested in. For this reason, many people have considered the tradeoff between data privacy and getting better services worth making. However, with FHE, we no longer need to make this tradeoff. Companies like YouTube can train their algorithms on encrypted data and produce identical results for the end user without infringing on data privacy. Specifically, they can homomorphically encrypt information such as my watch and search history, analyze it without looking at it since it is encrypted, and then show me the videos I’m interested in based on the analysis.
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