Grafhen: Group-Based Homomorphic Encryption Without Noise(arxiv.org)

2 pointsby badcryptobitch8 mesi fa2 comments

Grafhen: Group-Based Homomorphic Encryption Without Noise

https://arxiv.org/abs/2510.21483

2 comments

yorwba8 mesi fa

Their company website also has shorter descriptions of the scheme for people with varying amounts of background knowledge: https://raveltech.io/

The implementation doesn't appear to be public, but their GitHub strongly suggests that the commercial application they have in mind is privacy-preserving bidding on ads: https://github.com/raveltech

badcryptobitch8 mesi fa

I hadn't done a ton of research on them but I skimmed their paper. That's a really cool find. I'm curious to see how it compares to TikTok's suite of 2PC protocols for advertising measurement and Google's use of TEEs for ad auctions.