Rep3

Too Packed to Hack

During our internal Hackathon week, each of us chose a topic of our choice to focus on for an entire week. After brainstorming a bit (and discarding some initial ideas), I settled on adding packed secret sharing to our tooling. As a starting point I took the zkSaaS paper from 202…

The Surprising Efficiency of Honest-Majority MPC for coSNARKs

After our recent blog posts about a large-scale MPC use case together with Worldcoin and about coSNARKs, we wanted to take a closer look at some specific MPC protocols, investigate what makes them efficient for coSNARKs, and discuss some specific optimizations we recently found a…